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Orthoclase

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MNT617778

Orthoclase

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

Description Tabs

Description
Locality: 
Tanakami-yama, Otsu City, Shiga Prefecture, Honshu Island, Japan
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.6 × 2.3 cm
Description

Japanese minerals, particularly the older classics, are increasingly hard to obtain. These specimens are out of the Japan suite at Krantz in Bonn, GER. Nicely developed twin of orthoclase (or microcline) and another more tan brown crystal from the famous pegmatite district of the former Omi prefecture, now in the Shiga prefecture. Size is for the darker brownish crystal.

Mineral Data
What's on the rock

Orthoclase

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