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Colemanite

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MNT17015

Colemanite

Ex. H.-J. Wilke (GER)
Classic Locality

Description Tabs

Description
Locality: 
Kestelek Mine, Mustafakemalpaşa District, Bursa Province, Turkey
Size Range: 
Small cabinet (7-10 cm)
Size: 
6 × 7.5 × 5 cm
Largest Crystal: 
5.50cm
Description

Large colemanite crystal with some smaller crystals attached: very nice example from this locale and the biggest crystal that was in the Wilke stock I acquired.

Certainly not perfect but overall in good shape.

Rare stuff from Turkey.

Mineral Data
What's on the rock

Colemanite

Formula: 
Ca[B3O4(OH)3]·H2O
Strunz: 
6.CB.10
Hardness: 
4.5
Type Locality: 
Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA

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