Quartz - Mineral specimens search results

Mineral specimens search results

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Mineral specimens search results for [ Quartz ]

TP50I8: Quartz (variety amethyst) and Calcite

An extraordinary formation of amethyst crystals that covers completely a scalenohedral crystal of Calcite, preserving its original form. Color and luster are magnificent. It is from the classic zone of Artigas, actually worked by experienced mineralogists, so the samples found are especially interesting.
Catalán Grande Quarry, Catalán Grande area, Artigas Department Uruguay (11/2006)
Specimen size: 12.3 × 9.9 × 7 cm = 4.84” × 3.90” × 2.76”

TD13J5: Quartz (variety amethyst) and Epidote

Magnificent crystal, very well defined and bright with an esthetic graded change of color clearer at the base and deeper on the termination with zoning. An important aspect is that it is on matrix, which is very rare with samples from this region. Even it had (badly) been popularized as Brandberg, the true locality is Gobobos, another nearest volcano.
The specimen is from the Charlie Key collection.
Gobobos Volcano, Gobobosebberge Namibia
Specimen size: 10.3 × 7 × 3.8 cm = 4.06” × 2.76” × 1.50”

Main crystal size: 7.4 × 1.9 cm = 2.91” × 0.75”

TC2240DKL: Quartz (variety amethyst) and Quartz (variety smoky)

Quartz crystals (amethyst variety), partially doubly terminated and forming scepter growths on Quartz (smoky variety), with traces of a Microcline matrix. It comes from a unique find in a place discovered by Lluís Daunis and later lost. We will send the buyer the autographed label from the Daunis collection.
Les Mallorquines, Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya Spain
Specimen size: 10.4 × 6 × 4.3 cm = 4.09” × 2.36” × 1.69”

EN56AL0: Quartz (variety amethyst) doubly terminated

Quartz crystals (amethyst variety), some of them doubly terminated, that grow as scepters on white Quartz crystals. The amethyst is translucent and has an intense deep color, deeper at the ends of the crystals. It is getting less and less common to find specimens from this locality, which was worked for only a brief time.
La Francesa Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (01-06/2002)
Specimen size: 6.4 × 4.9 × 4.7 cm = 2.52” × 1.93” × 1.85”

Main crystal size: 5.8 × 2.8 cm = 2.28” × 1.10”

NX56AL0: Quartz (variety amethyst) doubly terminated

Group of doubly terminated Quartz crystals (amethyst variety), with very well defined faces and edges, translucent and with an intense deep color, deeper at the ends of the crystal. It is getting ever less common to find specimens from this locality, which was worked for only a brief time.
La Francesa Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (2003)
Specimen size: 5.8 × 5 × 4.2 cm = 2.28” × 1.97” × 1.65”

EJ97AL0: Quartz (variety amethyst) doubly terminated

Group of doubly terminated Quartz crystals (amethyst variety), with very well defined faces and edges, forming parallel growths. The crystals are translucent and display an intense deep color, deeper at the ends of the crystal. It is getting less and less common to find specimens from this locality, which was worked for only a brief time.
La Francesa Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (01-06/2002)
Specimen size: 7.3 × 5.4 × 3.7 cm = 2.87” × 2.13” × 1.46”

Main crystal size: 6.1 × 3.8 cm = 2.40” × 1.50”

EA49AD4: Quartz (variety amethyst) doubly terminated

Aggregate of doubly terminated Quartz (amethyst) crystals, two of them forming a parallel growth. They have grown on a white Quartz crystal. The color of the amethyst crystals is very deep and intense and they are very large for the locality.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (01-06/2002)
Specimen size: 13 × 7.8 × 6 cm = 5.12” × 3.07” × 2.36”

MR72AB7: Quartz (variety amethyst) epitactic Calcite

Druse of Quartz (variety amethyst) crystals, one of them clearly dominant and with a considerable size. They are coating the surfaces of a group of now missing Calcite crystals, preserving their original shape. The crystals show a neat geometric color zoning, clearer on the prism faces and deep violet on the terminations. The sample is from a not well known quarry at the classic Artigas área and where very interesting and esthetic samples are today being recovered.
La Soberana Quarry, Catalán Grande area, Artigas Department Uruguay (09/2011)
Specimen size: 19.5 × 18 × 14 cm = 7.68” × 7.09” × 5.51”

Main crystal size: 8 × 5.3 cm = 3.15” × 2.09”

TC60NG: Quartz (variety amethyst) on Quartz (variety smoky)

Scepter growth of a Quartz crystal (amethyst variety), with parallel growths in the lower part, translucent, with bright luster and an intense color, embedded in a Quartz crystal (smoky variety)
Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya Spain (2008)
Specimen size: 4.6 × 2.8 × 3.2 cm = 1.81” × 1.10” × 1.26”

HM90NTB: Quartz (variety amethyst) on Quartz (variety smoky)

Scepter growth of Quartz, with a partially doubly terminated cap of the amethyst variety of deep color, and the base of the smoky variety, associated with leafy growths of Chlorite.
Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya Spain (±2008)
Specimen size: 12.3 × 3.2 × 3 cm = 4.84” × 1.26” × 1.18”

DF87AF8: Quartz (variety amethyst) on Quartz (variety smoky) and Microcline

Scepter growth of an elongated crystal with polycrystalline surfaces, on smoky Quartz with a Microcline matrix. It is from the historic site at the Montseny massif where the first high quality amethysts were found decades before the most recent finds.
We’ll send to the buyer a digitalized copy of a single label, commonly covering a group of similar samples from the same locality.
Les Mallorquines, Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya Spain
Specimen size: 8.2 × 3.3 × 2.8 cm = 3.23” × 1.30” × 1.10”

EE16K8: Quartz (variety amethyst) pseudomorph after Calcite

Groups of amethyst crystals, with an extraordinary color and brilliance, which have grown over Calcite crystals, thus preserving their scalenohedral habit, The Calcite crystals are now almost completely gone.
Santa Ana Quarry, Artigas Department Uruguay (02/2007)
Specimen size: 10.1 × 5.1 × 5 cm = 3.98” × 2.01” × 1.97”

EQ27: Quartz (variety amethyst) scepter

Doubly terminated, sceptered on the first generation milky Quartz. Great architecture.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (01-06/2000)
Specimen size: 5.2 × 3.4 × 3 cm = 2.05” × 1.34” × 1.18”

ED61F0: Quartz (variety amethyst) scepter

The crystal has simple forms, with an amethyst scepter on a crystal of milky Quartz. The brilliance of the faces and the color zoning (it is like an hour glass, as one sometimes sees in Gypsum) are notable.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (2004)
Specimen size: 3.5 × 1.2 × 1.3 cm = 1.38” × 0.47” × 0.51”

NR47E0: Quartz (variety amethyst) scepter

Doubly terminated crystals that have grown in parallel and that have good color, transparency and with the scepter form growing on a first generation of colorless Quartz. It is esthetic and all the terminations are perfect.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (2003)
Specimen size: 7.5 × 4 × 2.5 cm = 2.95” × 1.57” × 0.98”

EB48F0: Quartz (variety amethyst) scepter

A very special specimen due to the considerable size of the crystals, their parallel growth, the scepter formation, and the quality and intensity of the color.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (2004)
Specimen size: 10.5 × 6.5 × 5 cm = 4.13” × 2.56” × 1.97”

Main crystal size: 6 × 3 × 2.5 cm = 2.36” × 1.18” × 0.98”

EE17AD4: Quartz (variety amethyst) scepter and doubly terminated

Parallel growth of doubly terminated amethyst crystals that formed a scepter partially coating a white Quartz crystal. The color of the amethyst crystals is very deep and intense.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (01-06/2002)
Specimen size: 9.4 × 4.5 × 4.4 cm = 3.70” × 1.77” × 1.73”

SV2100TPA: Quartz (variety amethyst) with Calcite

Group of Quartz crystals (variety amethyst) growing preferentially in two directions, on matrix with small globular Calcite crystals, with good luster and uniform color. The specimen comes from finds made in the Capurru quarry during the year 2008.
Capurru Quarry, Osilo, Sassari Province, Sardinia/Sardegna Italy (±2008)
Specimen size: 7.2 × 4.6 × 4.6 cm = 2.83” × 1.81” × 1.81”

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

XM2180NTL: Quartz (variety amethyst) with Calcite

Druse of Quartz (amethyst variety) crystals, on a small matrix of basalt rock. Thick aerial crystals, with very sharp faces and edges and an intense amethyst color, with partial coatings of small Calcite crystals very visible on the back of the piece. The specimen belonged to Santiago Jiménez who, especially in the 1980s and 90s, assembled an excellent collection.
Rio Grande do Sul Brazil
Specimen size: 8.5 × 7.4 × 7.2 cm = 3.35” × 2.91” × 2.83”

NFR66AO7: Quartz (variety amethyst) with Calcite

Druse, on matrix, of Quartz crystals (amethyst variety) with a relatively short prism, transparent, shiny and pale violet, with a more intense tone on the edges and vertices. Of great quality for this locality in which amethysts are not so famous nor as well known as in other deposits in that area. The specimen comes from the collection of Miguel David Martínez (number 1040), whose label we will send to the buyer.
Mina Rómulo, Collado La Mina, Llano del Beal, Cartagena, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain
Specimen size: 10.3 × 7.3 × 4.4 cm = 4.06” × 2.87” × 1.73”

Main crystal size: 3 × 1.6 cm = 1.18” × 0.63”

TPT67AQ1: Quartz (variety amethyst) with Calcite

Isolated crystals of Quartz (variety amethyst), one of them clearly dominant, with parallel growths and some scepters, very transparent, with good luster and a very uniform color. In matrix with small Calcite crystals.
Capurru Quarry, Osilo, Sassari Province, Sardinia/Sardegna Italy
Specimen size: 10.2 × 9.5 × 6.7 cm = 4.02” × 3.74” × 2.64”

EP49AC6: Quartz (variety amethyst) with Calcite

Floater aggregate of transparent and very bright Quartz (variety amethyst) crystals, with phantom growths and with a very vivid and intense color. On the back, the aggregate is completely coated by Calcite and there is a very sharp, white, Calcite scalenohedron.
An excellent sample of the F. y C. Gilbert collection whose label we’ll send to the buyer.
This specimen's photo has been reviewed and published in the magazine ‘Mineralogical Record’ on page 556 in the volume 47, number 5 (September-October 2016)
Guanajuato, Municipio Guanajuato Mexico (±1960)
Specimen size: 7.4 × 5.5 × 2.6 cm = 2.91” × 2.17” × 1.02”

TP63AI7: Quartz (variety amethyst) with Calcite

Druse of transparent and bright Quartz (amethyst) crystals with very short prisms with strong color zoning and phantom growths. Between the amethyst crystals there are white scalenohedral Calcite crystals. An extraordinary sample, undoubtedly among the best from this well-known locality.
Cata Mine, Guanajuato, Municipio de Guanajuato Mexico (±1980)
Specimen size: 22.8 × 14.2 × 5.6 cm = 8.98” × 5.59” × 2.20”

AR17N4: Quartz (variety amethyst) with Calcite

Growth of very bright and deep colored small crystals, with small white crystals of Calcite on their surface and on matrix.
La Bolsa Quarry, La Bolsa area, Artigas Department Uruguay (04/2006)
Specimen size: 7.8 × 6.3 × 7 cm = 3.07” × 2.48” × 2.76”

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

TG70T2: Quartz (variety amethyst) with Calcite

Stalagmitic growth of Quartz (amethyst) crystals with their prism more developed than usual on this kind of sample, very bright, with excellent color and very well marked phantom growths. The amethyst completely coats a Calcite crystal whose section is seen on the bottom of the sample.
La Bolsa Quarry, La Bolsa area, Artigas Department Uruguay (11/2009)
Specimen size: 12.8 × 9.6 × 10.6 cm = 5.04” × 3.78” × 4.17”

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