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Glaucophane

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LGM212617

Glaucophane

Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Monteneve Mine, Passiria Valley, South Tirol, Trentino-Alto Adige, Italy
Size Range: 
Small cabinet (7-10 cm)
Size: 
6 × 8 × 4 cm
Description

Massive, micaceous masses of glaucophane with silvery-green color. An alpine classic from old Schneeberg mining area in 2300 m in Passiria valley.
Comes with old F. Wiedemann label. Feodor Wiedemann (1876-1937) was a supplier of fossils and minerals to the Natural History Museum of Erfurt.
Weight: 290 grams

Mineral Data
What's on the rock

Glaucophane

Formula: 
◻[Na2][Mg3Al2]Si8O22(OH)2
Strunz: 
9.DE.25
Hardness: 
5.0 - 6.0
Type Locality: 
Syros Island (Syra), Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands Department (Aiyaíon), Greece

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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+++IMPORTANT+++
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