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Mcallisterite & Kurnakovite

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ESM567334

Mcallisterite & Kurnakovite

Description Tabs

Description
Locality: 
Inder B Deposit, Inder, Atyrau Oblysy, Kazakhstan
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.8 × 4.5 × 3.5 cm
Description

White mcallisterite on massive white kurnakovite

Mineral Data
What's on the rock

Mcallisterite

Formula: 
Mg2[B6O7(OH)6]2·9H2O
Strunz: 
6.FA.10
Hardness: 
2.5
Streak: 
white
Type Locality: 
Mott prospect (Mott Colemanite prospect; Mott open cut), Twenty Mule Team Canyon, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA

Kurnakovite

Formula: 
MgB3O3(OH)5·5H2O
Strunz: 
6.CA.20
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Deposit No. 33, Inder B deposit and salt dome, Atyrau (Gur'yev), Atyrau Province (Atyrau Oblysy; Atyrau Oblast'), Kazakhstan...