Pre-Easter Update

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MA13AM8: Parallel growth of two Epidote crystals, one of them clearly dominant, with very sharp crystal forms and excellent terminations, translucent, very lustrous and with a very deep green color, on matrix, with water-clear Quartz crystals. The specimen comes from one of the great classical localities for the species.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Green Monster Mountain, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska  USA

Specimen size: 2.4 × 2.3 × 1.5 cm = 0.94” × 0.91” × 0.59”

Main crystal size: 2.4 × 1.1 cm = 0.94” × 0.43”

MB26AM8: Group of rhombohedral Rhodochrosite crystals, flattened, with very sharp polycrystalline growths and an intense and uniform pink color on Sphalerite matrix.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label stating that it was previously in the Sullivan collection.
Sunnyside Mine group (American Tunnel Mine), Bonita Peak, Gladstone, Eureka District, San Juan County, Colorado  USA

Specimen size: 2.4 × 1.8 × 2 cm = 0.94” × 0.71” × 0.79”

Main crystal size: 0.8 × 0.7 cm = 0.31” × 0.28”

MC12AM8: Centered aggregates of flattened Goethite crystals, with a botryoidal growth at the back, lustrous and with color tones ranging from black to bronze reflections. An American classic that we will send to the buyer in its original Perky box from the Robert J. Noble collection, which also contains the label.
Crystal Creek, Crystal Peak area, Teller County, Colorado  USA

Specimen size: 2.9 × 2.7 × 2.4 cm = 1.14” × 1.06” × 0.94”

MD16AM8: Very sharp, complete floater crystal of transparent and lustrous Baryte with a little matrix.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Linwood Mine, Buffalo, Scott County, Iowa  USA

Specimen size: 2.7 × 1.5 × 1 cm = 1.06” × 0.59” × 0.39”

ME76AM8: Complete floater crystal of Serandite with very sharp crystal forms and good terminations, unusually translucent, with a bright luster and intense color, and acicular inclusions of Aegirine.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec  Canada

Specimen size: 1.8 × 1.5 × 0.9 cm = 0.71” × 0.59” × 0.35”

MF14AM8: Group of shiny cubo-octahedral Galena crystals, very sharp and with a very well defined spinel law twin.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Krushev dol Mine, Madan mining area, Rhodope Mountains, Smolyan Oblast  Bulgaria

Specimen size: 3 × 2.8 × 1.2 cm = 1.18” × 1.10” × 0.47”

Main crystal size: 1.5 × 0.8 cm = 0.59” × 0.31”

MG14AM8: Complete and very sharp floater crystal of Pyrite with the shapes of a positive and a negative pyritohedron. An Italian classic that we will send to the buyer in its original Perky box from the Robert J. Noble collection, which also contains the label.
Rio Mine (Rio Marina Mine), Valle Giove stope, Rio Marina, Elba Island, Livorno Province, Tuscany  Italy

Specimen size: 2.8 × 2.4 2.6 cm = 1.10” × 0.95”

MH13AM8: Very sharp doubly terminated crystal of Pyrrhotite, with distinct parallel growths and intense luster. On matrix, with Quartz and Sphalerite crystals.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Nikolaevski Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Far-Eastern Region  Russia

Specimen size: 2.8 × 2.3 × 2.5 cm = 1.10” × 0.91” × 0.98”

Main crystal size: 2 × 1.9 cm = 0.79” × 0.75”

MJ6AM8: Floater group of outlined thin platy Hematite crystals, with very marked parallel growths, hopper growths on some faces and extraordinarily brilliant surfaces.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Nador, Nador Province, Oriental Region  Morocco

Specimen size: 2.7 × 2.3 × 0.6 cm = 1.06” × 0.91” × 0.24”

Main crystal size: 0.9 × 0.7 cm = 0.35” × 0.28”

MK36AM8: Group on matrix of elongated Dioptase crystals, between translucent and transparent and very lustrous.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
'Mbumba, Pimbi Hill, Mindouli, Mindouli District, Pool Department  Republic of the Congo

Specimen size: 2.3 × 1.7 × 0.8 cm = 0.91” × 0.67” × 0.31”

Main crystal size: 0.5 × 0.2 cm = 0.20” × 0.08”

ML6AM8: Group of translucent and lustrous Dioptase crystals, one of them clearly dominant and of a considerable size.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
This sample has been noted and photographed in the article 'Renéville' of the ‘Mineralogical Record‘ magazine on page 426 in the volume 55, number 4, July-August 2024
Indus Mine; Renéville Mine, Renéville, Kindanba District, Pool Department  Republic of the Congo

Specimen size: 2.4 × 1.8 × 1.3 cm = 0.94” × 0.71” × 0.51”

MM26AM8: Scapolite (Group) crystal, very rich in crystal forms, with excellent terminations and very transparent and lustrous, gem quality, with a uniform yellow color.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Mpwapwa District, Dodoma Region  Tanzania

Specimen size: 2 × 0.9 × 0.8 cm = 0.79” × 0.35” × 0.31”

MN56AM8: Complete floater Columbite (Group) crystal, very rich in crystal forms, lustrous, and with fine polycrystalline growths.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Mahaiza, Betafo District, Vakinankaratra Region  Madagascar

Specimen size: 2.8 × 1.3 × 1 cm = 1.10” × 0.51” × 0.39”

MQ14AM8: Polycrystalline rosette growths, with parallel stacks of very sharp lamellar Hematite crystals, with rough prismatic faces. A Brazilian classic that we will send to the buyer in its original Perky box from the Robert J. Noble collection, which also contains the label.
Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Northeast Region  Brazil

Specimen size: 2.7 × 2.4 × 1.6 cm = 1.06” × 0.94” × 0.63”

Main crystal size: 2.4 × 1.8 cm = 0.94” × 0.71”

MR12AM8: Transparent and lustrous Quartz crystal with abundant oriented inclusions of acicular Rutile crystals. A Brazilian classic that we will send to the buyer in its original Perky box from the Robert J. Noble collection, which also contains the label.
Novo Horizonte, Bahia, Northeast Region  Brazil

Specimen size: 3.1 × 2.7 × 2.6 cm = 1.22” × 1.06” × 1.02”

MP12AM8: Very aerial group on matrix of Pyrite crystals with cubic habit, with iridescence and very bright luster.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Roger Quarries, João Pessoa, Paraíba  Brazil

Specimen size: 3.2 × 1.8 × 1.4 cm = 1.26” × 0.71” × 0.55”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”

MT13AM8: Group of sharp Ludlamite crystals of a good size for the species. Between translucent and transparent, with an intense and uniform color, on a Siderite matrix with small Pyrite crystals.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label, which shows that it was previously in the Alfredo Petrov collection.
Huanuni Mine, Huanuni, Dalence Province, Oruro Department  Bolivia

Specimen size: 1.8 × 1.8 × 1.3 cm = 0.71” × 0.71” × 0.51”

Main crystal size: 0.9 × 0.9 cm = 0.35” × 0.35”

MV13AM8: Floater aggregate with a sheaf-like habit of Stellerite crystals with sharp crystal forms, translucent, white in color and with a pearly luster.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Aurangabad, Aurangabad District, Maharashtra  India

Specimen size: 3 × 2.2 × 1.9 cm = 1.18” × 0.87” × 0.75”

MW16AM8: Zoisite crystal with very sharp crystal forms and a vertical twin plane. Transparent, lustrous, gem quality, with an intense color, yellow with green reflections.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Alchuri, Shigar District, Gilgit-Baltistan (Northern Areas)  Pakistan

Specimen size: 2.3 × 0.6 × 0.4 cm = 0.91” × 0.24” × 0.16”

MX14AM8: Very aerial crystal of Topaz, rich in crystal forms and partially doubly terminated, very transparent, lustrous, on a matrix of Quartz crystals.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Pan-taw, Kyatpyin North, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region (Mandalay Division)  Myanmar (Burma)

Specimen size: 3.3 × 1.7 × 2.7 cm = 1.30” × 0.67” × 1.06”

Main crystal size: 1.7 × 0.7 cm = 0.67” × 0.28”

MY26AM8: Very sharp crystals of Azurite, some of them doubly terminated, translucent, with a very bright luster and vivid color, on matrix, with globular growths of Malachite.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Block 14 opencut, Broken Hill, Yancowinna County, New South Wales  Australia

Specimen size: 3.7 × 2.3 × 1.4 cm = 1.46” × 0.91” × 0.55”

Main crystal size: 0.8 × 0.5 cm = 0.31” × 0.20”

RA13AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix and with crystalline Baryte and Fluorite. A historical classic of Spanish mineralogy.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 2.5 × 1.4 × 1.3 cm = 0.98” × 0.55” × 0.51”

Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”

RB13AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with crystalline Baryte and Fluorite. A historical classic of Spanish mineralogy.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 3 × 2.1 × 1.2 cm = 1.18” × 0.83” × 0.47”

Main crystal size: 1.8 × 1 cm = 0.71” × 0.39”

RX26AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with crystalline Baryte and Fluorite. A historical classic of Spanish mineralogy.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 3.1 × 2.1 × 1.4 cm = 1.22” × 0.83” × 0.55”

Main crystal size: 0.8 × 0.6 cm = 0.31” × 0.24”

RV6AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with crystalline Baryte and Fluorite. A historical classic of Spanish mineralogy.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 2.7 × 2.1 × 1.5 cm = 1.06” × 0.83” × 0.59”

Main crystal size: 1.6 × 1.1 cm = 0.63” × 0.43”

RC36AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with Baryte and very small crystals of Fluorite and small crystals of Cerussite associated with Galena. A historical classic of Spanish mineralogy with the peculiarity of the presence of Cerussite that did not usually appear in this deposit and associated with chillagite.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 5 × 2.6 × 1.9 cm = 1.97” × 1.02” × 0.75”

Main crystal size: 1 × 0.7 cm = 0.39” × 0.28”

RD36AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with Baryte and very small crystals of Fluorite and small crystals of Cerussite associated with Galena. A historical classic of Spanish mineralogy with the peculiarity of the presence of Cerussite that did not usually appear in this deposit and associated with chillagite.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 5 × 3.1 × 2.7 cm = 1.97” × 1.22” × 1.06”

Main crystal size: 1.8 × 1.6 cm = 0.71” × 0.63”

RE36AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with Baryte and very small crystals of Fluorite and small crystals of Cerussite associated with Galena. A historical classic of Spanish mineralogy with the peculiarity of the presence of Cerussite that did not usually appear in this deposit and associated with chillagite.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 5.7 × 3 × 3.3 cm = 2.24” × 1.18” × 1.30”

Main crystal size: 1.2 × 0.5 cm = 0.47” × 0.20”

RG76AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with Baryte, Fluorite, and small crystals of Cerussite associated with Galena. A historical classic of Spanish mineralogy with the peculiarity of the presence of Cerussite that did not usually appear in this deposit associated with chillagite.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 4.5 × 4.6 × 3.4 cm = 1.77” × 1.81” × 1.34”

Main crystal size: 1.4 × 1 cm = 0.55” × 0.39”

RA56AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with Baryte, Fluorite and small crystals of Cerussite associated with Galena. A historical classic of Spanish mineralogy with the peculiarity of the presence of Cerussite that did not usually appear in this deposit associated with chillagite.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 6.4 × 3.6 × 1.8 cm = 2.52” × 1.42” × 0.71”

Main crystal size: 2.2 × 0.9 cm = 0.87” × 0.35”

RF46AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with Baryte and very small crystals of Fluorite and small crystals of Cerussite associated with Galena. A historical classic of Spanish mineralogy with the peculiarity of the presence of Cerussite that did not usually appear in this deposit associated with chillagite.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 6.3 × 4.6 × 3.6 cm = 2.48” × 1.81” × 1.42”

Main crystal size: 0.5 × 0.3 cm = 0.20” × 0.12”

RP26AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with Baryte and very small crystals of Fluorite and small crystals of Cerussite associated with Galena. A historical classic of Spanish mineralogy with the peculiarity of the presence of Cerussite that did not usually appear in this deposit associated with chillagite.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 7.9 × 5.5 × 3.9 cm = 3.11” × 2.17” × 1.54”

Main crystal size: 1 × 0.5 cm = 0.39” × 0.20”

RQ46AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with Baryte, Fluorite and small crystals of Cerussite associated with Galena. A historical classic of Spanish mineralogy with the peculiarity of the presence of Cerussite that did not usually appear in this deposit associated with chillagite.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 8.7 × 4.9 × 4.3 cm = 3.43” × 1.93” × 1.69”

Main crystal size: 1 × 0.2 cm = 0.39” × 0.08”

RR56AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with Baryte, very small crystals of Fluorite and small crystals of Cerussite associated with Galena. A historical classic of Spanish mineralogy with the peculiarity of the presence of Cerussite that did not usually appear in this deposit associated with chillagite.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 8.3 × 5.5 × 5.3 cm = 3.27” × 2.17” × 2.09”

Main crystal size: 1.6 × 0.4 cm = 0.63” × 0.16”

RT96AM8: Deformed lamellar crystals of Wulfenite (variety chillagite) with a light cream color. On matrix, with Baryte, Fluorite and small crystals of Cerussite associated with Galena. A historical classic of Spanish mineralogy with the peculiarity of the presence of Cerussite that did not usually appear in this deposit associated with chillagite.
Teresita Mine, Can Donadeu, Sant Fost de Campsentelles, Comarca Vallès Oriental, Barcelona, Catalonia / Catalunya  Spain (±1955)

Specimen size: 8.5 × 6.4 × 5.1 cm = 3.35” × 2.52” × 2.01”

Main crystal size: 1.8 × 0.7 cm = 0.71” × 0.28”

NV27AM8: Polycrystalline growth of complex shapes, with defined edges and faces and with fine curvatures, transparent, very lustrous and with a very deep and uniform toasted honey color. On matrix, with white rhombohedral Dolomite crystals. The specimen comes from small artisanal finds in the mine after its closure. There is currently no access to the galleries.
The specimen comes from the Ignacio Gaspar Sintes collection (number BLD-7) whose catalogue entry we will send to the buyer.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria  Spain

Specimen size: 5.5 × 4 × 3 cm = 2.17” × 1.57” × 1.18”

Main crystal size: 2 × 1.6 cm = 0.79” × 0.63”

NC11AM8: Druse of transparent and lustrous Fluorite crystals covered by lamellar blue Baryte crystals, transparent and lustrous, with small Pyrite crystals.
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias)  Spain (1995)

Specimen size: 5 × 2.9 × 4.4 cm = 1.97” × 1.14” × 1.73”

Main crystal size: 0.7 × 0.7 cm = 0.28” × 0.28”

NA11AM8: Very aerial group of transparent and lustrous Fluorite crystals, with an intense and uniform yellow color and rich in sulfide inclusions oriented along the edges, and with geometric zoning that becomes more evident with ultraviolet light since some zones are very fluorescent.
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias)  Spain (1995)

Specimen size: 7.6 × 4.6 × 4.4 cm = 2.99” × 1.81” × 1.73”

Main crystal size: 0.6 × 0.5 cm = 0.24” × 0.20”

NB12AM8: Very aerial group of transparent and lustrous Fluorite crystals, with an intense and uniform yellow color and rich in sulfide inclusions oriented along the edges, and with geometric zoning that becomes more evident with ultraviolet light since some zones are very fluorescent.
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias)  Spain (1995)

Specimen size: 6.9 × 5.8 × 2.5 cm = 2.72” × 2.28” × 0.98”

Main crystal size: 1.4 × 0.9 cm = 0.55” × 0.35”

NA13AM8: Very aerial group of transparent and lustrous Fluorite crystals, with an intense and uniform yellow color and rich in sulfide inclusions oriented along the edges, and with geometric zoning that becomes more evident with ultraviolet light since some zones are very fluorescent.
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias)  Spain (1995)

Specimen size: 8.4 × 4 × 2.2 cm = 3.31” × 1.57” × 0.87”

Main crystal size: 1.5 × 1.5 cm = 0.59” × 0.59”

NA59AM8: Group of very sharp lenticular crystals of Siderite with polycrystalline growths, with good luster and a light cream color. On matrix, with crystals of Fluorapatite, Quartz and small acicular crystals of Dravite-Schorl. Very original and with a higher quality than usual in this locality.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1998)

Specimen size: 7.7 × 4.1 × 6 cm = 3.03” × 1.61” × 2.36”

Main crystal size: 5.2 × 4.1 cm = 2.05” × 1.61”

NW27AM8: Group of transparent Quartz crystals partially covered by tabular Siderite crystals, with a light cream color and high quality.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1999)

Specimen size: 10.5 × 6.8 × 4.6 cm = 4.13” × 2.68” × 1.81”

Main crystal size: 10.5 × 3.4 cm = 4.13” × 1.34”

NR16AM8: Two generations of Siderite crystals, a first with large, tabular crystals, and a second generation of small, lenticular crystals, with a color between brown and cream, with small tabular Fluorapatite crystals and groups of lamellar Muscovite crystals.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2000)

Specimen size: 12.8 × 8.3 × 4.7 cm = 5.04” × 3.27” × 1.85”

Main crystal size: 5 × 4.8 cm = 1.97” × 1.89”

NY87AM8: Transparent Quartz crystal partially covered by very elongated prismatic Fluorapatite crystals, many of them doubly terminated, with a light yellow color, and with lenticular crystals of Siderite.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1999)

Specimen size: 19.9 × 5.5 × 5 cm = 7.83” × 2.17” × 1.97”

NE94AM8: Large quartz crystal partially covered by groups of rhombohedral Siderite crystals with polycrystalline growths, with a light cream color and small Pyrite crystals. Monumental.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2000)

Specimen size: 23.7 × 12.4 × 8.1 cm = 9.33” × 4.88” × 3.19”

TV46AM8: Group of complex equant crystals of Sphalerite, very transparent and lustrous, with an intense color and a vivid interior "fire", on a matrix of lenticular crystals of Siderite with a very light cream color, and twinned Bournonite crystals.
La Mure coal mines, La Mure, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes  France (±1970)

Specimen size: 6.5 × 4.3 × 1.6 cm = 2.56” × 1.69” × 0.63”

Main crystal size: 1.6 × 1.5 cm = 0.63” × 0.59”

TQ66AM8: Group of complex Sphalerite crystals, transparent (with back lighting) and lustrous, with an intense color, on a matrix of white rhombohedral Dolomite crystals and small lenticular crystals of light cream colored Siderite. A great French classic with a crystal size bigger than usual in this deposit and with the isolated crystals appearing in very good contrast with the white Dolomite crystals.
La Mure coal mines, La Mure, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes  France (±1980)

Specimen size: 9.8 × 7.2 × 4.4 cm = 3.86” × 2.83” × 1.73”

Main crystal size: 3.7 × 3.3 cm = 1.46” × 1.30”