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Aristarainite & Mcallisterite

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BCK874201

Aristarainite & 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: 
Miniature (4.5-7 cm)
Size: 
6 × 5.1 × 4.3 cm
Description

You are bidding on a large sample covered completely in crusts of aristarainite crystals with white coatings of mcallisterite and thin gypsum crystals. Rich sample from the type locality!

Mineral Data
What's on the rock

Aristarainite

Formula: 
Na2MgB12O20·8H2O
Strunz: 
6.FB.05
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Tincalayu Mine, Salar Del Hombre Muerto, Salta, Argentina

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

Seller Information

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