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Cassiterite Wolframite & Molybdenite

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LGM50222

Cassiterite Wolframite & Molybdenite

Ex Dr. Krantz collection, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Cínovec/Zinnwald, Teplice, Ústí nad Labem Region, Czech Republic
Size Range: 
Small cabinet (7-10 cm)
Size: 
6.5 × 8.5 × 8 cm
Description

Very heavy and massive ore specimen with major wolframite. Weight: 880 grams

Mineral Data
What's on the rock

Cassiterite

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

Wolframite

Synonym Of: 

Hübnerite

Formula: 
MnWO4
Strunz: 
4.DB.30
Hardness: 
4.0 - 4.5

Ferberite

Formula: 
FeWO4
Strunz: 
4.DB.30
Hardness: 
4.0 - 4.5
Formula: 
(Fe2+)WO4 to (Mn2+)WO4
Crystal System: 
Monoclinic
Hardness: 
4 - 4.5
Colour: 
Greyish-black
Streak: 
Reddish Brown

Molybdenite

Formula: 
MoS2
Strunz: 
2.EA.30
Crystal System: 
Hexagonal
Hardness: 
1.0 - 1.5

Seller Information

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Seller's terms and conditions

Thank you for viewing my auctions! Maintaining high standards in customer service is extremely important to me. If shipping takes longer than expected, please contact me. It is possible to file an investigation request, and during nearly ten years of e-rocks NO parcel was finally lost.

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