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Cassiterite & Malachite On Quartz

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CLB113468

Cassiterite & Malachite On Quartz

old Krantz, Berlin label before 1850
With Antique Label

Description Tabs

Description
Locality: 
Zinnwald, Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3 × 2 cm
Largest Crystal: 
1.00cm
Description

Very old classic Krantz specimen with a label from Krantz' Berlin time - before 1850!

Mineral Data
What's on the rock

Cassiterite

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

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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