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Azurite On Cerussite & Baryte

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MBM817315

Azurite On Cerussite & Baryte

From an old collection of a doctor in chemistry from 1900-1930
Classic Locality

Description Tabs

Description
Locality: 
Clausthal-Zellerfeld, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 4 cm
Description

Old mining area in and around Clausthal-Zellerfeld. Mining activities began in the 12th century (by monks), were most intensive in the 16th to 18th centuries and finally stopped in the 1930s because the ore deposits were either exhausted or became uneconomic.

The city Clausthal-Zellerfeldconsists in the center of the two districts Clausthal (in the south) and Zellerfeld (in the north).
Clausthal and Zellerfeld were two independent towns until 1924.

Mineral Data
What's on the rock

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

Cerussite

Formula: 
PbCO3
Strunz: 
5.AB.15
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Vicenza Province, Veneto, Italy

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White
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Seller Information

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Seller's terms and conditions

Seller Shipment Germany 6,00 EUR  Europe 9,00 EUR Worldwide shipment 12,00 EUR