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Calcite & Quartz

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MNT78772

Calcite & Quartz

Ex Dr F Krantz (Bonn Germany)
Classic Locality

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Description Tabs

Description
Locality: 
Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 5 × 4 cm
Description

A very nice and very interesting alpine specimen - unfortunately quite hard to photograph: Some nice clear quartzes are accompanied by thin tabular calcite crystals, which have an almost gemmy transparency in the centre and a dull and somewhat thicker rim on the outside, resembling windows with a frame. Very unusual and a nice addition cor calcite collectors. 

Mineral Data
What's on the rock

Calcite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
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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