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Chalcedony

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MNT596411

Chalcedony

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

Description Tabs

Description
Locality: 
Unknown - South Dakota, South Dakota, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.1 × 3.5 cm
Description

Nice chalcedony geode labeled to be from Dakota, USA by Krantz, no more info given. 

Mineral Data
What's on the rock

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey

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

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