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Holtite

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JYJ868297

Holtite

Description Tabs

Description
Locality: 
Vasin-Myl'k Mountain, Voron'i Tundry, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.3 × 1 cm
Description

Beige pale pink holtite crystals in matrix from the Vasin-Myll'k Mountain, Russia. 

 

Mineral Data
What's on the rock

Holtite

Formula: 
(Ta0.60.4)Al6BSi3O18(O,OH)2.25
Strunz: 
9.AJ.10
Hardness: 
8.5
Type Locality: 
Greenbushes Sn placers, Greenbushes Tinfield, Bridgetown-Greenbushes Shire, Western Australia, Australia