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Chalcedony (Var: Agate) : SiO2 | |
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Karadag Reserve (Kara-Dag), Crimea peninsula, Crimea Oblast', Ukraine Specimen size 8,2x4,5 cm. Found 1976. |
| © Tischenko A. | Photo ID: 240507 View Count: 31 |
Erionite-K : (K2,Ca,Na2)2[Al4Si14O36] · 15H2O | |
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Karadag Reserve (Kara-Dag), Crimea peninsula, Crimea Oblast', Ukraine Erionite-K (identified by powder XRD, infrared spectroscopy and chemiŃal analysis at the Crimean Branch of the Ukrainian State Geological Prospecting Institute, Simferopol; chemical analysis gave K2O - 3,85, Na2O - 2,06 wt.%) - green radiating aggregates in igneous rock. Overal size of mineral species 7x5 cm.Found in 1997. Photo and collection (# ... |
| © Tischenko A. | Photo ID: 240179 View Count: 23 |
Quartz (Var: Jasper) : SiO2 | |
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Karadag Reserve (Kara-Dag), Crimea peninsula, Crimea Oblast', Ukraine Polished jasper, specimen size 14,0x8,5 cm, found 1976 |
| © Tischenko A. | Photo ID: 240509 View Count: 44 |
Quartz (Var: Jasper) : SiO2 | |
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Karadag Reserve (Kara-Dag), Crimea peninsula, Crimea Oblast', Ukraine Polished jasper (the local name is "brocade jasper"), specimen size 9,7x7,5 cm, found 1976. |
| © Tischenko A. | Photo ID: 240508 View Count: 26 |
Saponite : Ca0.25(Mg,Fe)3(Si,Al)4O10(OH)2·nH2O | |
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Karadag Reserve (Kara-Dag), Crimea peninsula, Crimea Oblast', Ukraine Dark-brown radial spherulites of saponite (identified by powder XRD and infrared spectroscopy) in amygdaloidal rock with red heulandite and calcite. FOV 6x6 cm. Selfcollected in 1997. A. Tischenko collection (#0643) and photo. |
| Photo ID: 267971 View Count: 12 | |
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