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Atacamite : Cu2[(OH)3|Cl] | |
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Deutschlandschacht Mine, Oelsnitz, Zwickau, Saxony, Germany Green atacamite. Picture size 3 cm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 10967 View Count: 391 |
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Oberhohndorf, Zwickau, Saxony, Germany Calcite sphere of 5 cm in diameter, associated with smoky quartz. Specimen size 16 x 11.5 x 10.5 cm. Old specimen with old label (see pic of label). See other images. |
| © Christian Bracke | Photo ID: 161078 View Count: 103 |
Chalcedony | |
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Friedrichsgrün, Zwickau, Saxony, Germany Polished chalcedony 20 x 10 x 5 cm. |
| © M. Adelt | Photo ID: 48775 View Count: 313 |
Chalcedony (Var: Agate) : SiO2, Calcite : CaCO3 | |
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Cainsdorf, Zwickau, Saxony, Germany Agate geode with a calcite crystal in the center, size 7 x 5.5 cm. |
| © M. Adelt | Photo ID: 48584 View Count: 419 |
Hematite : Fe2O3, Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Maxhütte, Zwickau, Saxony, Germany 10.2 x 6.8 x 1.8 cm. A showy, old-time CABINET pseudomorph plate of radiating clusters of rust-red hematite after actinolite blades from an uncommon German locality - the Maxhutte Mine, Saxony. Ex. George Feist Collection. |
| © Rob Lavinsky | Photo ID: 119979 View Count: 105 |
Heulandite | |
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Vielau, Zwickau, Saxony, Germany Heulandite on melaphyre-matrix, size 5 x 5 x 3 cm. |
| © M. Adelt | Photo ID: 48673 View Count: 255 |
Lesukite : Al2(OH)5Cl·2H2O | |
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Deutschlandschacht Mine, Oelsnitz, Zwickau, Saxony, Germany Yellow to orange-yellow lesukite. Picture size 5 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 9562 View Count: 610 |
Quartz : SiO2 | |
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Cainsdorf, Zwickau, Saxony, Germany quartz perimorph after calcite, size 9 x 6 x 4 cm. |
| © M. Adelt | Photo ID: 48665 View Count: 285 |
Whewellite : Ca[C2O4] · H2O | |
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Zwickau, Saxony, Germany Whewellite crystal, 23 x 20 x 14 mm., Zwickau, Saxony, Germany. K. Nash specimen & image. |
| Photo ID: 256567 View Count: 19 | |
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