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Mcallisterite

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SKY649996

Mcallisterite

Type Locality

Description Tabs

Description
Locality: 
Eagle Borax Spring, Death Valley, Inyo County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.5 cm
Description

White crystals of the very rare magnesium borate mineral associated to gypsum and  halite from the type locality.

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

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