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Manganoan Strengite & Zwieselite

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LGM110369

Manganoan Strengite & Zwieselite

ex Ralf Wartha Collection, Windhoek
Classic Locality

Description Tabs

Description
Locality: 
Rubikon Mine, Okongava Ost Farm 72, Karibib, Erongo Region, Namibia
Size Range: 
Small cabinet (7-10 cm)
Size: 
6 × 8 × 3.5 cm
Description

Massive ore specimen consisting of (Mn)-Strengite, Zwieselite and Ferrosiderite. From a single find some years ago. Quite rare material.
Weight: 260 grams

Mineral Data
What's on the rock

Manganoan Strengite

Variety Of: 

Strengite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.10
Hardness: 
3.5 - 4.0

Zwieselite

Formula: 
(Fe2+,Mn2+)2(PO4)F
Strunz: 
8.BB.10
Crystal System: 
Monoclinic
Hardness: 
5.0 - 5.5
Type Locality: 
Birkhöhe Quarry (Birkenhöhe Quarry), Zwiesel, Lower Bavaria, Bavaria, Germany

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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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