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Hematite Psm Calcite & Dolomite

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MNT178129

Hematite Psm Calcite & Dolomite

ex Dr. F. Krantz (GER), ex?
Classic Locality

Description Tabs

Description
Locality: 
Hemer, Iserlohn,, North Rhine - Westphalia, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 7.2 × 5.2 cm
Description

German classic from Sundwig: a matrix of brownish carbonate - probably ferroan dolomite - contains pseudomorphs of hematite after scalenohedral calcite. Rare material with nice old label. Krantz specimen.

Mineral Data
What's on the rock

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Seller Information

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Seller's terms and conditions

Terms & Conditions

Thank you for your interest in my offers! Payment is possible via Paypal, bank transfer or cash if you pick up the item(s) personally. Bank data will be provided after settling the auction/transaction(s) if needed.

In case you are not happy with a specimen, you may send it back within 4 weeks. After receipt, i will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions (or maybe complaints) please feel free to contact me.

Best regards Roger

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