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Conichalcite Dolomite & Calcite

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MNT32316

Conichalcite Dolomite & Calcite

Ex Dr F Krantz (Bonn Germany)
Classic Locality

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Description
Locality: 
Parkhouse Mine, Bigrigg, Egremont, Cumbria, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5 × 5.5 cm
Description

A nice old timer from Cumbria with brownish whitish saddle like rhombs of dolomite overgrown by whitish scalenohedral calcite. One of the larger calcites is cleaved, otherwise good condition for the age, comes with a small piece of paper where 'Parkhouse' is written on. From Krantz stock, GER, late 1800s specimen. Due to a relist the former reserve was kept but is identical with the start price of 30 $.

Mineral Data
What's on the rock

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

Dolomite

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

Calcite

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

Seller Information

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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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