- Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan
- Miniature, 4.7 x 3.8 x 3.6 cm
Lustrous white blades of Bertrandite, up to about .8 cm, resting on and intermixed with numerous rhombs of pinkish-brown Rhodochrosite. There are also Pyrite cubes, micro Mica, Quartz, and a tungstate, possibly Wolframite. An excellent, and quite classic, combination specimen from a well-known locality. Ex. Charlie Key stock.