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Carles Millan's Photo Gallery

3CN-YEDCassiterite : SnO2, Quartz : SiO2

Multiple photos available
Viloco Mine, Loayza Province, La Paz Department, Bolivia

Dimensions: 98 mm x 90 mm x 72 mm
Largest Crystal Size: 40 mm
Weight: 955 g

Group of honey-brown, translucent when backlit, cassiterite crystals set on a matrix of crystallized quartz. Several of them are twinned. No damage. Overall size: 98 mm x 90 mm x 72 mm. Main cassiterite crystal: 40 mm wide. Weight: 955 g.
Copyright: © Carles Millan. Reproduction allowed as long as the      Photo ID: 822271     Uploaded by: Carles Millan   View Count: 18   Approval status: Public galleries    Type: Photo - 3153 x 2904 pixels (9.2 Mpix)

WKU-9N7Quartz : SiO2, Epidote : {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

Mun. Las Vigas de Ramírez, Veracruz, Mexico

Dimensions: 111 mm x 91 mm
Largest Crystal Size: 53 mm
Weight: 297 g

Group of purple to colorless transparent quartz crystals on a matrix covered by contrasting small acicular green epidote. Overall size: 111mm x 91mm. Widest crystal: 14mm. Tallest crystal: 53mm. Weight: 297g. Since I stand against the use of varieties I much prefer not to name it amethyst. Simply quartz.
Copyright: © Carles Millan      Photo ID: 787895     Uploaded by: Carles Millan   View Count: 44   Approval status: Public galleries    Type: Photo - 2809 x 2623 pixels (7.4 Mpix)

UNL-GMEQuartz : SiO2

Multiple photos available
Bourg d'Oisans, Isère, Auvergne-Rhône-Alpes, France

Dimensions: 65 mm x 63 mm x 37 mm
Largest Crystal Size: 49 mm
Weight: 106 g

Aggregation of colorless and transparent quartz crystals with some small inclusions of siderite. Overall size: 65mm x 63mm x 37mm. Main crystal: 49mm tall, 9mm wide. Weight: 106g. From the collection of Alain Martaud. According to the data supplied by the vendor, the locality is Giraud, Villard-Nôtre-Dame [very close to Bourg d'Oisans], La Gardette area, Isère, Rhône-Alpes, France.
Copyright: © Carles Millan      Photo ID: 787804     Uploaded by: Carles Millan   View Count: 121   Approval status: Public galleries    Type: Photo - 2647 x 3036 pixels (8.0 Mpix)

KPF-3YFAegirine : NaFe3+Si2O6, Orthoclase : KAlSi3O8, Zircon : ZrSiO4

Mount Malosa, Zomba District, Malawi

Dimensions: 108 mm x 51 mm
Largest Crystal Size: 92 mm
Weight: 124 g

Group of black color aegirine crystals with acute edges, showing very lustrous almost mirror-like faces and a rather uncommon (in this locality) sharp pointed habit. Several crystals of colorless orthoclase accompany them on the base and a small zircon crystal can be seen on the back side. Overall size: 108mm x 51mm. Main aegirine crystal: 12mm wide, 92mm tall. Weight: 124g.
Copyright: © Carles Millan      Photo ID: 787302     Uploaded by: Carles Millan   View Count: 41   Approval status: Public galleries    Type: Photo - 1695 x 3455 pixels (5.9 Mpix)

QCX-HQGHübnerite : Mn2+WO4, Quartz : SiO2

Huayllapon Mine, Pasto Bueno, Pampas District, Pallasca Province, Ancash Department, Peru

Dimensions: 108 mm x 67 mm
Largest Crystal Size: 63 mm
Weight: 351 g

Association of parallel hübnerite crystals with colorless quartz. Deep red color when backlit (indicating a predominance of manganese on iron in the hübnerite-ferberite series). Overall size: 108mm x 67mm. Main hübnerite crystal: 63mm tall, 26mm wide. Main quartz crystal: 72mm tall, 21mm wide. Weight: 351g.
Copyright: © Carles Millan      Photo ID: 786606     Uploaded by: Carles Millan   View Count: 73   Approval status: Public galleries    Type: Photo - 3557 x 3161 pixels (11.2 Mpix)

V89-PJGPyrite : FeS2, Quartz : SiO2

Multiple photos available
Huanzala Mine, Huallanca, Huallanca District, Bolognesi Province, Ancash Department, Peru

Dimensions: 102 mm x 70 mm x 40 mm
Largest Crystal Size: 53 mm
Weight: 314 g

Group with several octahedral {111} pyrite crystals on a bed of colorless quartz, a typical specimen of that prolific and already classic mine. The main crystal is complete all around, measures 53 mm from tip to tip and 41 mm on edge, with narrow stepped edges that may be faces of rhombododecahedron {110}.The octahedral faces are mirror-like, as can be appreciated with the reflected quartz crystals.In very good condition except for some natural but stabilized cracks (hard to see in the photos). Overall size: 102 mm x 70 mm x 40 mm. Weight: 314 g.
Copyright: © Carles Millan      Photo ID: 777259     Uploaded by: Carles Millan   View Count: 141   Approval status: Public galleries    Type: Photo - 1850 x 2500 pixels (4.6 Mpix)

LRC-AA3Sphalerite : ZnS, Dolomite : CaMg(CO3)2, Calcite : CaCO3

Multiple photos available
Trepča Stan Terg Mine, Trepča complex, Trepča valley, Kosovska Mitrovica, District of Kosovska Mitrovica, Kosovo

Dimensions: 124 mm x 87 mm x 39 mm
Largest Crystal Size: 29 mm
Weight: 471 g

Association of black highly lustrous sphalerite crystals showing very sharp edges and well defined mirror-like faces, which is not typical of the species, partially covered with smaller colorless crystals of dolomite and calcite that produce a deep and nice contrast. The specimen has been kept by a local miner in pristine condition, free of any damage, since its extraction some time between years 1994-2002. Contains several spinel-law twins on the octahedral {111} face as can easily be appreciated in the photos. Overall size: 124 mm x 87 mm x 39 mm. Major crystal size: 29 mm on edge. Weight: 471 g. Unfortunately this is a not photography friendly specimen.
Copyright: © Carles Millan      Photo ID: 763577     Uploaded by: Carles Millan   View Count: 98   Approval status: Public galleries    Type: Photo - 2605 x 3547 pixels (9.2 Mpix)

MPL-DY5Fluorite : CaF2, Quartz : SiO2

Multiple photos available
Riemvasmaak fluorite occurrences, Riemvasmaak, Kakamas, ZF Mgcawu District, Northern Cape Province, South Africa

Dimensions: 110 mm x 90 mm x 55 mm
Largest Crystal Size: 48 mm
Weight: 637 g

Group of sharp and lustrous emerald green, transparent, octahedrical crystals of fluorite, with some remnant microcrystalline quartz coating the base. No damage. The major crystal, on the left side of the photo, is complete all around. Overall specimen size: 110mm x 90mm x 55mm. Main crystal size: 48mm tall, 37mm on edge. Weight: 637g.
Copyright: © Carles Millan      Photo ID: 749724     Uploaded by: Carles Millan   View Count: 67   Approval status: Public galleries    Type: Photo - 3170 x 2757 pixels (8.7 Mpix)

K7J-22USmithsonite : ZnCO3

Multiple photos available
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions: 93 mm x 68 mm x 37 mm
Largest Crystal Size: 10 mm
Weight: 175 g

Cluster of crystals made up of dozens of sharp, pearly, transparent to translucent, rose pink, slightly rounded elongated rhombohedrons of smithsonite, with vitreous luster and no matrix. Looks like a floater with what might be a thin rehealed attachment area of galena on the back side. The color may be produced by traces of cobalt cations trapped in the lattice. Undamaged. Overall size: 93mm x 68mm x 37mm. Main crystal size: about 10mm. Weight: 175g.

Illustrated in the magazine MdC - Mineralogistes de Catalunya, 2016/1, page 88.
Copyright: © Joaquim Callén      Photo ID: 748603     Uploaded by: Carles Millan   View Count: 67   Approval status: Public galleries    Type: Photo - 2023 x 2367 pixels (4.8 Mpix)

TJ1-ML1Azurite : Cu3(CO3)2(OH)2, Dickite : Al2Si2O5(OH)4

Multiple photos available
Milpillas Mine, Cuitaca, Mun. de Santa Cruz, Sonora, Mexico

Dimensions: 70 mm x 63 mm x 39 mm
Largest Crystal Size: 34 mm
Weight: 133 g

Single lustrous, dark blue, mirror-faced, azurite crystal on a starkly contrasting white matrix made of soft but compact dickite. The crystal is complete all around and presumably doubly terminated, with faces and edges very well defined and free of any damage. From a find in year 2014. Overall size: 70mm x 63mm x 39mm. Azurite crystal: at least 34mm tall x 27mm wide x 10mm thick. Weight: 133g.
Copyright: © Carles Millan      Photo ID: 738015     Uploaded by: Carles Millan   View Count: 122   Approval status: Public galleries    Type: Photo - 2851 x 3500 pixels (10.0 Mpix)
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