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Kaolinite Psm Orthoclase

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MNT752969

Kaolinite Psm Orthoclase

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

Description Tabs

Description
Locality: 
St Austell District, Cornwall, United Kingdom
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 2.4 × 1.2 cm
Description

These are classics from Cornwall - and are called "pig's eggs": A "floater" crystal of (probably Carlsbad-twinned) orthoclase which has been pseudomorphed by kaolinite from one of the various clay pits aroound St. Austell, Krantz material.

Mineral Data
What's on the rock

Kaolinite

Formula: 
Al2(Si2O5)(OH)4
Strunz: 
9.ED.05
Hardness: 
2.0 - 2.5
Type Locality: 
Gaoling Mine (Kauling Mine), Gaoling village, Ehu town, Fuliang Co., Jingdezhen Prefecture, Jiangxi Province, China

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0
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