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Kurnakovite & Ulexite

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PDM629311

Kurnakovite & Ulexite

Description Tabs

Description
Locality: 
Baker Mine, Kramer, Boron, Kern County, California, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6.9 × 3.7 cm
Description

Well defined transparent crystals of kurnakovite with moderate lustre on a matrix with some white balls of fibrous ulexite.

Ex. Bob Janssens specimen #2078, who bought it in 1996.

Mineral Data
What's on the rock

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...

Ulexite

Formula: 
NaCa[B5O6(OH)6]·5H2O
Strunz: 
6.EA.25
Crystal System: 
Triclinic
Hardness: 
2.5
Type Locality: 
Iquique Province, Tarapacá Region, Chile

Seller Information

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