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Rhodochrosite & Ankerite

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MNT596399

Rhodochrosite & Ankerite

ex Dr. F. Krantz, Bonn, GER
Classic Locality

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Description Tabs

Description
Locality: 
Butte, Silver Bow County, Montana, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 8 × 2.9 cm
Description

Butte classic: Host rock/vein matrix overgrown by pink rhodochrosite, which has more tan beige-brownish colour on the surface of the crystals which are covered by allegedly ankerite.

Mineral Data
What's on the rock

Rhodochrosite

Formula: 
MnCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cavnic Mine (Kapnikbánya), Cavnic (Kapnic; Kapnik), Maramureș Co., Romania

Ankerite

Formula: 
Ca(Fe2+,Mg)(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Styrian Erzberg, Eisenerz, Styria, Austria

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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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