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Calcite : CaCO3, Willemite : Zn2[SiO4] | |
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Alexander Mine, Vrančice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic FOV 20mm. Photo in UV SW - fluorescing Calcite (pink) and Willemite (green). |
| © A.Tomek | Photo ID: 253255 View Count: 12 |
Čechite : Pb(Fe2+,Mn2+)[OH|VO4] | |
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Alexander Mine, Vrančice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic Black tabular crystal of cechite. Picture size 1.3 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 9716 View Count: 1260 |
Čechite : Pb(Fe2+,Mn2+)[OH|VO4] | |
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Alexander Mine, Vrančice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic FOV 3,5 mm; Chris Auer photo and collection, bought in 1991 |
| Photo ID: 158157 View Count: 126 | |
Chalcocite : Cu2S | |
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Alexander Mine, Vrančice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic Massive chalcocite ore from Vrančice. Size 6,5×5 cm. Collection of author. |
| © Jakub Jirásek | Photo ID: 238508 View Count: 53 |
Chalcocite : Cu2S, Sphalerite : (Zn,Fe2+)S | |
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Alexander Mine, Vrančice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic Chalcocite (left side) with sphalerite (right side) ore. Size 7,5×7 cm. Collection of Geologický pavilon of VŠB-Technical University of Ostrava - http://geologie.vsb.cz/gp |
| © Jakub Jirásek | Photo ID: 258692 View Count: 16 |
Chervetite : Pb2[V2O7] | |
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Alexander Mine, Vrančice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic Pale yellowish crystals of chervetite. Picture size 4 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 8080 View Count: 600 |
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Alexander Mine, Vrančice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic Yellowish, earthy, rich masses with hedyphane and chervetite microcrystals. Both EDS confirmed. Field of view is 4 mm. |
| © L Kruszewski | Photo ID: 66975 View Count: 270 |
Chrysocolla : (Cu,Al)2H2Si2O5(OH)4·nH2O | |
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Alexander Mine, Vrančice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic Light blue botryoidal chrysocolla. Scale is on the picture. Photo and collection Jakub Jirásek. |
| © Jakub Jirásek | Photo ID: 98946 View Count: 156 |
Goethite : α-Fe3+O(OH) | |
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Alexander Mine, Vrančice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic Perfect radial aggregate, size 60 x 50 x 35 mm. Collected at the old overgrown medieval mine deposit outside former Alexander Mine. |
| © A.Tomek | Photo ID: 246888 View Count: 45 |
Goethite : α-Fe3+O(OH), Quartz (Var: Smoky Quartz) : SiO2 | |
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Alexander Mine, Vrančice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic Goethite needles with smoky quartz, size 7x5 cm. Gerard van der Veldt collection and photo. |
| © G. van der Veldt | Photo ID: 266627 View Count: 9 |
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