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Calcite

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MNT502818

Calcite

ex P. Muhl collection, Herdorf, GER
Classic Locality

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Description
Locality: 
Mahlscheid Quarry, Herdorf, Siegerland, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 5.4 × 3.2 cm
Description

Nice 1970s example of pale yellowish more or less spherical aggragte of calcite on basalt matrix. These specimens were frequently labeled as aragonite in the past. Historic find, no more finds possible, quarry closed and nature reserve.

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

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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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