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Topaz & Mica

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RHT751706

Topaz & Mica

Classic Locality

Description Tabs

Description
Locality: 
Broddbo, Falun, Dalarna County, Sweden
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.5 × 5 cm
Weight: 
276.00gr
Description

Sample of rough, broken topaz (here: 'pyrophysalith').

Mineral Data
What's on the rock

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

Mica

Group Parent: 
Mica Group