| Home Page | Log In | Message Board | The Mindat Directory |
| Register | Search Pages | Chat Now! (2 online) | Mindat Auctions |
|
|
|
| |
|
Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan Groups of flattened prismatic crystals, very sharp, which contrast with the deep smoky tones of the Quartz crystals as a matrix. The size, definition and color of the Bertrandite crystals make this specimen very extraordinary. Kara-Oba, Betpakdala, Karaganda Oblast, Kazakhstan. Found in 1995 Specimen size: 10.1 × 6 × 4.5 cm Main ... |
| © fabreminerals.com | Photo ID: 194462 View Count: 1441 |
Bertrandite : Be4[(OH)2|Si2O7], Rhodochrosite : MnCO3, Quartz (Var: Smoky Quartz) : SiO2 | |
|
Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan A lustrous crystal of gray smoky quartz 5 cm long with white crystal of bertrandite to 5 mm long and reddish-brown rhodochrosite crystals to 4 mm long attached on the sides. An excellent specimen of bertrandite. Overall size of mineral specimen: 5x3x3 cm. Size of individual crystals: 4-50 mm. |
| © 2000 John H. Betts | Photo ID: 156 View Count: 1095 |
Bertrandite : Be4[(OH)2|Si2O7], Rhodochrosite : MnCO3 | |
|
Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan A lustrous crystal of gray smoky quartz 5 cm long with white crystal of bertrandite to 5 mm long and reddish-brown rhodochrosite crystals to 4 mm long attached on the sides. An excellent specimen of bertrandite. Overall size of mineral specimen: 5x3x3 cm. Size of individual crystals: 4-50 mm. |
| © 2000 John H. Betts | Photo ID: 157 View Count: 626 |
Bertrandite : Be4[(OH)2|Si2O7] | |
|
Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan Complex mixture of many minerals, notably bertrandite, rhodochrosite, quartz, and possibly fluorite. Overall size of mineral specimen: 4x4x3 cm. Size of individual crystals: 3-10 mm. |
| © 2001 John H. Betts | Photo ID: 1727 View Count: 528 |
Bertrandite : Be4[(OH)2|Si2O7], Rhodochrosite : MnCO3 | |
|
Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan Fan of greenish grey tabular prisms to 13 mm, on rhodochrosite. Field width: 2.5 cm. P Haas photograph and collection (no. 83-002). |
| © Peter Haas | Photo ID: 14173 View Count: 483 |
Bertrandite : Be4[(OH)2|Si2O7], Sphalerite : (Zn,Fe2+)S, Rhodochrosite : MnCO3 | |
|
Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan Spray of greenish grey prismatic crystals to 2 cm, with minor sphalerite on dusted rhodochrosite. P Haas photograph and collection (no. 83-001). |
| © Peter Haas | Photo ID: 14172 View Count: 417 |
Bertrandite : Be4[(OH)2|Si2O7], Quartz : SiO2 | |
|
Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan White crystals of Bertrandite together with Smoky Quartz. Field of view 10 mm. Specimen and photo Leon Hupperichs. |
| © Leon Hupperichs | Photo ID: 101593 View Count: 145 |
Bertrandite : Be4[(OH)2|Si2O7], Siderite : FeCO3, Quartz : SiO2 | |
|
Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan White needles of Bertrandite on a Siderite matrix with Quartz Sample size: 11,5 X 6 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 122109 View Count: 107 |
| |
|
Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan Fan groups of very aerial and sharp crystals of Bertrandite on a matrix of Quartz crystals partially covered by small Muscovite crystals. Kara-Oba, Betpakdala, Karaganda Oblast, Kazakhstan. Specimen size: 7.5 × 6.2 × 3.8 cm Main crystal size: 0.8 × 0.2 cm |
| © fabreminerals.com | Photo ID: 203300 View Count: 45 |
| |
|
Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan Very aerial fanlike groups of white acicular crystals, on a matrix of crystals of pale smoky Quartz. As with most of the Russian minerals, some years ago more or less abundant, nowadays it is very difficult to obtain good samples of these species. Kara-Oba, Bedpakdala, Karaganda Oblast, Kazakhstan. Specimen size: 6.8 × 4 × 2.8 cm Main ... |
| © fabreminerals.com | Photo ID: 219678 View Count: 39 |
| Page 1 of 2 (1 to 10 of 14 total) | Next Page | |
| Page: 1 2 | ||
