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Cassiterite & Scheelite

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NST616494

Cassiterite & Scheelite

With Antique Label

Description Tabs

Description
Locality: 
Cínovec/Zinnwald, Teplice, Ústí nad Labem Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6 × 3 cm
Description

Massive, rich black cassiterite with scheelite on matrix. Comes with a handwritten 19th century label.

Mineral Data
What's on the rock

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0

Scheelite

Formula: 
Ca(WO4)
Strunz: 
7.GA.05
Crystal System: 
Tetragonal
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Bispbergs Klack, Säter, Dalarna, Sweden