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Kolbeckite & Brookite

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SHS148462

Kolbeckite & Brookite

Description Tabs

Description
Locality: 
Magnet Cove, Hot Spring County, Arkansas, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.4 × 0.8 cm
Description

Kolbeckite and brookite on matrix

Mineral Data
What's on the rock

Kolbeckite

Formula: 
ScPO4·2H2O
Strunz: 
8.CD.05
Hardness: 
3.0 - 5.0
Type Locality: 
Sadisdorf, Schmiedeberg, Erzgebirge, Saxony, Germany

Brookite

Formula: 
TiO2
Strunz: 
4.DD.10
Crystal System: 
Orthorhombic
Hardness: 
5.5 - 6.0
Type Locality: 
Twll Maen Grisial, Fron Olau, Prenteg, Gwynedd (Caernarvonshire), Wales, UK