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Chronicle of the 2021 Tucson Show Virtual |
THE CORE OF TUCSON VIRTUAL 2021 | THE CORE OF EXPOMINER VIRTUAL 2020 |
Chronicle of the 2020 Expominer Virtual Show |
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EXPOMINERALS.com
XM21200MMH
Group of cubic Fluorite crystals, most of them interpenetrating, of a very uniform apple-green color, translucent, lustrous, with perfectly defined faces and edges and with geometric color zoning with somewhat yellowish tones on the edges of the crystals. They are in a limestone matrix completely covered by a layer of snow-white Calcite crystals, offering a nice contrast of tones.
From the Xianhuapu tin mine in China.
Xianghuapu Mine, Xianghualing Sn-polymetallic ore field, Linwu, Chenzhou Prefecture, Hunan Province China (05/2022)
Specimen size: 19.1 x 9.4 x 4.2 cm
Main crystal size: 1.8 x 1.6 cm
Fluorescent long & short UV
€1200 / US$1245 / ¥173540 / AUD$1848
XM21200MVM
Very fine specimen formed by a matrix of Calcite crystals on which grew a forest of filiform Silver crystals, among which one very aerial growth of a twisted Silver crystal stands out, divided in two in its upper part and encompassing a pair of Calcite crystals.
An exquisite piece from a gold deposit in Shandong Province, China.
Jizishan deposit, Linqu, Weifang Prefecture, Shandong Province China (±2014)
Specimen size: 7.2 x 5.1 x 3 cm
Main crystal size: 5 x 0.2 cm
Calcite fluorescent long & short UV
€1200 / US$1245 / ¥173540 / AUD$1848
XM2640TBT
Elegant specimen composed of a matrix of tabular Calcite crystals on which are arranged thick, very aerial and arborescent Silver crystals, curved and with twisted terminations.
Comes from a gold deposit in Shandong Province in China.
Jizishan deposit, Linqu, Weifang Prefecture, Shandong Province China (±2014)
Specimen size: 5 x 2.1 x 1.8 cm
Main crystal size: 3.2 x 0.3 cm
Calcite fluorescent long & short UV
€640 / US$681 / ¥104420 / AUD$1050
XM2180TPR
Druse of Calcite crystals with light tones on which has been deposited a tangled multitude of filiform Silver crystals enveloping the Calcite crystals.
Mined from a gold deposit in Shandong Province in China.
Jizishan deposit, Linqu, Weifang Prefecture, Shandong Province China (±2014)
Specimen size: 3.2 x 2.8 x 2.1 cm
Main crystal size: 0.7 x 0.1 cm
Calcite fluorescent long & short UV
€180 / US$192 / ¥25170 / AUD$277
XM2220TPF
On a spherical aggregate of Calcite crystals there is a swarm of Silver filaments, some of them more developed and more isolated, enveloping the Calcite core.
Comes from a gold deposit in Shandong Province in China.
Jizishan deposit, Linqu, Weifang Prefecture, Shandong Province China (±2014)
Specimen size: 2.4 x 2 x 2 cm
Main crystal size: 1.8 x 0.1 cm
€220 / US$234 / ¥35890 / AUD$360
XM2360MHM
A very curious specimen that shows two generations of Calcite: the first, constituting the matrix, formed by a druse of small lustrous scalenohedral crystals stained by iron oxides, and a second generation of globular to oolitic habit with fine concentric growth lamellae. A mineralogical curiosity.
Wenshan, Wenshan Autonomous Prefecture, Yunnan Province China (09/2022)
Specimen size: 6.7 x 3.3 x 6.6 cm
€360 / US$389 / ¥56790 / AUD$604
XM275ELJ
Cubic Fluorite crystals with faces and edges well defined, on a matrix of crystalline Quartz dotted with small Calcite crystals, from a mine that exploits tungsten and tin hosted in Quartz veins.
Piaotang Mine, Dayu, Ganzhou Prefecture, Jiangxi Province China (03/2022)
Specimen size: 5.6 x 4.4 x 3.7 cm
Main crystal size: 1 x 0.9 cm
€75 / US$79 / ¥12230 / AUD$120
XM2440EXL
Aggregate of lamellar Roweite crystals, on matrix and of good size for the species. Intergrown with each other and of a much deeper and more vivid orange hue than the specimens usually found at the locality. One of the more interesting borates from a mine that is exploited for lead and zinc.
Shijiangshan Mine, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region China (04/2017)
Specimen size: 5.8 x 3.6 x 3.6 cm
Main crystal size: 1 x 0.7 cm
€440 / US$468 / ¥71790 / AUD$720
XM2340MAB
Crystals of Calcite (cobalt-rich variety) as growths between coralloidal and arborescent, on a rock matrix, with a gradation of color, partially covering a first generation of lamellar Calcite crystals.
Lanping, Nujiang Autonomous Prefecture, Yunnan Province China (07/2022)
Specimen size: 5.1 x 2.1 x 2.7 cm
€340 / US$362 / ¥55470 / AUD$550
XM2230MAX
Druse of Calcite crystals (cobalt-rich variety) with mauve-pink tones, in a rock matrix, on a first generation of Calcite crystals which were not stained by cobalt ions.
Lanping, Nujiang Autonomous Prefecture, Yunnan Province China (07/2022)
Specimen size: 4.4 x 3.6 x 2.9 cm
€230 / US$244 / ¥37520 / AUD$370
XM2230MFR
Druse of Calcite crystals (cobalt-rich variety) showing scalenohedral habits in some deeper toned crystals and globular forms of lighter color in others. Accompanied by fine acicular radiating crystals.
Lanping, Nujiang Autonomous Prefecture, Yunnan Province China (07/2022)
Specimen size: 3.7 x 2.6 x 1.6 cm
€230 / US$244 / ¥37520 / AUD$370
XM2230MLM
Group of Cerussite crystals, one of them clearly dominant, twinned, very sharp and lustrous, between transparent and translucent, with external staining and iron oxide inclusions.
It comes from a Congolese mining district which produces lead, zinc and, to a lesser extent, copper.
M'Fouati, M'Fouati District, Bouenza Department Republic of the Congo (2022)
Specimen size: 6.7 x 2.8 x 2.2 cm
€230 / US$244 / ¥37520 / AUD$370
XM2290MEE
V-shaped twin of sharp and lustrous Cerussite crystals, with polycrystalline terminations and remnants of a matrix formed of iron oxides. It comes from a Congolese mining district which produces lead, zinc and, to a lesser extent, copper.
M'Fouati, M'Fouati District, Bouenza Department Republic of the Congo (2022)
Specimen size: 5.6 x 3.9 x 2.8 cm
Main crystal size: 5.1 x 2.7 cm
€290 / US$308 / ¥47310 / AUD$470
XM2390TBM
Group of lustrous and complex twinned crystals of Sphalerite, very deep honey colored, almost dark, sprinkled randomly with Dolomite crystals that give it a very marked color contrast.
A classic of Cantabrian mining from Las Mánforas, in a spectacular location next to Picos de Europa National Park.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain
Specimen size: 7 x 6.9 x 5.2 cm
Main crystal size: 2.4 x 2.4 cm
€390 / US$415 / ¥63630 / AUD$640
XM2220NPX
Single crystal of Sphalerite, translucent and with a very uniform honey color, showing smooth tetrahedron faces, very lustrous, with polycrystalline growths and dotted with white Dolomite crystals that give a nice color contrast.
A classic of Cantabrian mining from Las Mánforas, in a spectacular location next to the Picos de Europa National Park.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain
Specimen size: 6 x 5 x 2.6 cm
€220 / US$234 / ¥35890 / AUD$360
XM2190NTX
Floater group of Sphalerite crystals, translucent and of a very uniform honey color, with smooth faces corresponding to the tetrahedron and partially coated by a multitude of very sharp and outlined Dolomite crystals, creating a beautiful color contrast.
A classic of Cantabrian mining from Las Mánforas, located at a spectacular site next to Picos de Europa National Park.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain
Specimen size: 5.3 x 4 x 2.6 cm
Main crystal size: 4.3 x 2.7 cm
€190 / US$202 / ¥31000 / AUD$310
XM2160NNB
Floater group of Sphalerite crystals, translucent and of a very deep and uniform honey color, with faces that show polycrystalline growths, partially covered by a multitude of very sharp and profiled Dolomite crystals that give a nice color contrast.
A classic of Cantabrian mining from Las Mánforas, at a spectacular location next to the Picos de Europa National Park.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain
Specimen size: 4.2 x 3.3 x 2.9 cm
Main crystal size: 3.1 x 2.7 cm
€160 / US$170 / ¥26100 / AUD$260
XM2130NJB
Floater group of Sphalerite crystals, translucent and of a very uniform honey color, with smooth faces corresponding to the tetrahedron and partially coated by a multitude of very sharp and outlined Dolomite crystals, creating a beautiful color contrast.
A classic of Cantabrian mining from Las Mánforas, located at a spectacular site next to Picos de Europa National Park.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain
Specimen size: 4 x 2.9 x 2.3 cm
Main crystal size: 2.2 x 2.1 cm
€130 / US$138 / ¥21210 / AUD$210
XM2120NLX
Complex crystal of Sphalerite, translucent, with a very uniform honey color, showing parallel growths with visible smooth tetrahedron faces and small Dolomite crystals.
A classic of Cantabrian mining from Las Mánforas, located at a spectacular site next to Picos de Europa National Park.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain
Specimen size: 2.6 x 2.3 x 1.7 cm
€120 / US$127 / ¥19570 / AUD$190
XM2110NNX
Complex crystal of Sphalerite, translucent, with a very uniform honey color, showing parallel growths with visible smooth tetrahedron faces and small Dolomite crystals.
A classic of Cantabrian mining from Las Mánforas, located at a spectacular site next to Picos de Europa National Park.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain
Specimen size: 2.7 x 2 x 1.9 cm
€110 / US$117 / ¥17940 / AUD$180
XM290NMB
A sulphide and carbonate festival! Group of Galena crystals that have been practically completely covered by a multitude of small pyrite crystals. There was subsequent precipitation of very sharp and profiled Dolomite crystals, some of them with sheaf-like curvatures, and finally small cream-toned crystals of Calcite complete the piece.
La Florida mining area, Herrería-Valdáliga-Rionansa, Comarca Costa Occidental/Saja-Nansa, Cantabria Spain
Specimen size: 11.4 x 8.6 x 4.1 cm
€90 / US$95 / ¥14680 / AUD$140
XM290NTB
Druse of Quartz crystals with no prism development, only first generation pyramidal faces being visible. There is a second generation of crystalline masses of Quartz that partially cover the primary crystals. Of deep color tones due to inclusions of iron oxide. The specimen comes from a granite quarry on Cerro Vértice, in Villaviciosa de Córdoba, Andalusia, via the collection of Santi Jiménez, a great specialist in Spanish minerals.
Vértice Quarry, Cerro Vértice, Villaviciosa de Córdoba, Comarca Valle del Guadiato, Córdoba, Andalusia Spain
Specimen size: 8.2 x 7.3 x 4 cm
Main crystal size: 2.9 x 2.7 cm
Former collection of Santiago Jiménez García
€90 / US$96 / ¥12770 / AUD$144
XM280JHR
Group of aggregated Pyromorphite crystals, with two generations of doubly terminated crystals, prismatic and elongated, of a uniform grass-green color, with faces and edges well-defined, and another of somewhat finer crystals with a greenish brown color, all of them intergrown with each other on a schist matrix.
Monte Bedures, Meredo, Vegadeo, Comarca Eo-Navia, Principality of Asturias (Asturias) Spain (2008)
Specimen size: 5.1 x 3 x 2.4 cm
Main crystal size: 0.2 x 0.1 cm
Minor fluorescence long & short UV
€80 / US$85 / ¥12940 / AUD$134
XM290NXE
Groups of Pyromorphite crystals with a short prismatic habit, some of them isolated, with faces and sharp edges, of a very deep and uniform grass-green color, standing out on a rock matrix covered by a mixture of brownish iron oxides.
From a locality from which it is not easy to get pecimens.
Monte Bedures, Meredo, Vegadeo, Comarca Eo-Navia, Principality of Asturias (Asturias) Spain (2008)
Specimen size: 3.2 x 2.4 x 1.8 cm
Main crystal size: 0.1 x 0.1 cm
Minor fluorescence long & short UV
€90 / US$95 / ¥14680 / AUD$140
XM2180TAH
Group of scalenohedral Calcite crystals, one of them clearly dominant, doubly terminated and with complete polycrystalline terminations. This crystal is translucent, but transparent towards the ends, cream-white in color and implanted on a matrix of rock partially covered by yellowish Fluorite crystals and small white Dolomite crystals. On the back of the piece the matrix is almost totally covered by tiny greyish crystals of Pyrite.
The specimen comes from the collection of Miguel David Martínez Pérez (number 835) whose label we will send to the buyer.
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias) Spain (±2014)
Specimen size: 9.4 x 7.7 x 5.1 cm
Main crystal size: 6.2 x 4.7 cm
Former collection of Miguel David Martínez
€180 / US$191 / ¥29360 / AUD$290
XM2240TLM
Group of very sharp cubic Fluorite crystals, with smooth and limpid faces, beveled on the very marked and rough edges, and a deep and uniform blue color. The crystals are translucent and lustrous and are randomly arranged together with a group of water-clear Quartz crystals.
A very elegant piece from Berbes, which comes to us via the Miguel David Martínez collection Pérez (number 888) whose label we will send to the buyer.
Berbes mining area, Berbes, Ribadesella, Comarca Oriente, Principality of Asturias (Asturias) Spain (2020)
Specimen size: 7.4 x 5.1 x 2.8 cm
Main crystal size: 0.9 x 0.5 cm
Former collection of Miguel David Martínez
€240 / US$249 / ¥34700 / AUD$369
XM2280TGA
Group of cubic Fluorite crystals, one of them clearly dominant, between transparent and translucent, with shades that vary from blue to violet and showing centers of color, especially in the main crystal which has a cubic phantom with a very deep blue color.
The specimen comes from the collection of Miguel David Martínez Pérez (number 873) whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±2011)
Specimen size: 5.4 x 5.1 x 3.5 cm
Main crystal size: 0.9 x 05 cm
Former collection of Miguel David Martínez
€280 / US$290 / ¥40490 / AUD$431
XM2240TRR
Druse formed by a multitude of Calcite crystals (cobalt-rich variety) arranged in a bouquet, with a deep and uniform pink color, and a small remnant of rock matrix. From a classic Moroccan locality for the species, Minas de Agoudal.
The specimen comes from the collection of Miguel David Martínez Pérez (number 886) whose label we will send to the buyer.
Agoudal Mines, Tansifite, Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region Morocco (±2019)
Specimen size: 6.8 x 4.4 x 2.7 cm
Main crystal size: 0.6 x 0.5 cm
Minor fluorescence short UV
Former collection of Miguel David Martínez
€240 / US$249 / ¥34700 / AUD$369
XM2360TLR
Color-zoned bands of Chrysocolla appear on a rock matrix on which have been deposited several crystal groups and globular aggregates of Malachite with a very deep green color.
A very aesthetic specimen which comes from the collection of Miguel David Martínez Pérez (number 792) whose label we will send to the buyer.
L'Etoile du Congo Mine (Star of the Congo Mine), Lubumbashi (Elizabethville), Katanga Copper Crescent, Haut-Katanga (Shaba) Democratic Republic of the Congo (Zaire)
Specimen size: 15.3 x 6.4 x 6 cm
Former collection of Miguel David Martínez
€360 / US$383 / ¥50630 / AUD$564
XM2160THG
Polished section of a stalactitic Rhodochrosite specimen in which concentric growths are observed with bands of color that vary from white to deep pink from the inside towards the outside of the column, with a darker outer layer.
The specimen comes from a classic mine for this mineral species, via the collection of Miguel David Martínez Pérez (number 867) whose label we will send to the buyer.
Capillitas Mine, Andalgalá Department, Catamarca Argentina
Specimen size: 3.6 x 2.6 x 2.5 cm
Former collection of Miguel David Martínez
€160 / US$170 / ¥22500 / AUD$251
XM290TFG
Group of cubic Fluorite crystals, interpenetrating, with good luster and a deeper bluish color towards the edges of the crystals, on a limestone matrix covered by whitish and greyish rhombohedral Dolomite crystals.
The specimen comes from the collection of Miguel David Martínez Pérez (number 804) whose label we will send to the buyer.
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee USA
Specimen size: 9.7 x 6.2 x 3.6 cm
Main crystal size: 2.5 x 2.5 cm
Minor fluorescence long & short UV
Former collection of Miguel David Martínez
€90 / US$97 / ¥14190 / AUD$151
XM2460TFG
Elegant specimen in which we observe different habits of Vanadinite crystals, from isolated groups, some crystals with distinct hoppered faces, to groups with cascade-like growth, in shades that vary from red to orange. The Vanadinite appears on several Quartz crystals that act as a matrix. All this is dotted with oxides of manganese that give it a final colorful touch.
A different Vanadinite.
Tadaout, vein 12, Taouz, Er Rachidia Province, Drâa-Tafilalet Region Morocco (2019)
Specimen size: 13.4 x 6.9 x 7.2 cm
Main crystal size: 1.6 x 0.5 cm
€460 / US$474 / ¥66630 / AUD$709
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