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Pretulite & Lazulite

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SKY212159

Pretulite & Lazulite

Type locality-Rare Mineral

Description Tabs

Description
Locality: 
Höllkogel Mountain, Krieglach, Styria, Austria
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1 × 0.5 cm
Description

Beige crystals of the very rare pretulite in a matrix of blue lazulite from the type locality and one of the few localities known. Pretulite is an scandium phosphate. Of the 5000 minerals known only 16 are scandium minerals ! (from MINDAT database), so it is a real rarity.

Mineral Data
What's on the rock

Pretulite

Formula: 
Sc(PO4)
Strunz: 
8.AD.35
Crystal System: 
Tetragonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Höllkogel, Alpl, Freßnitzgraben, Krieglach, Fischbacher Alpen, Styria, Austria

Lazulite

Formula: 
(Mg,Fe2+)Al2(PO4)2(OH)2
Strunz: 
8.BB.40
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Freßnitzgraben, Krieglach, Fischbacher Alpen, Styria, Austria

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