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Holmquistite

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SKY814061

Holmquistite

Rare Mineral

Description Tabs

Description
Locality: 
Utö Mines, Utö Island, Haninge, Stockholm County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 0.7 cm
Description

Black sharp outstanding prismatic crystals of the rare mineral holmquistite from the type locality in Sweden.

Ex Vandenbroucke Museum collection specimen, from Waregem, Belgium.

Mineral Data
What's on the rock

Holmquistite

Formula: 
☐{Li2}{Mg3Al2}(Si8O22)(OH)2
Strunz: 
9.DD.05
Hardness: 
5.5
Type Locality: 
Utö Mines, Utö, Södermanland, Sweden

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