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Calcite & Palygorskite

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MNT168169

Calcite & Palygorskite

ex Dr. F. Krantz (GER), ex?
Classic Locality

Description Tabs

Description
Locality: 
Pend Oreille Mine, Boundary Dam, Metaline, Pend Oreille County, Washington, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
16 × 9.8 × 5.5 cm
Description

Nice US classic and not so often seen: flattened colorless transparent to translucent lustrous calcite crystals on a rock matrix with whiteish palygorskite.Better than the pictures suggest, hard to photograph, there is not much contrast unfortunately.

Mineral Data
What's on the rock

Calcite

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

Palygorskite

Formula: 
(Mg,Al)5(Si,Al)8O20(OH)2·8H2O
Strunz: 
9.EE.20
Hardness: 
2.0 - 2.5
Type Locality: 
Second Mine, Popovka River, Palygorskaya Distance of Perm Railways, Permskaya Oblast', Middle Urals, Urals Region, Russia...

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