Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Malachite & Chalcedony

Views:
Watches:
MNT70852

Malachite & Chalcedony

Ex Dr F Krantz (Bonn Germany), ex ?
Classic Locality

Description Tabs

Description
Locality: 
Chañaral Province, Atacama Region, Chile
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 5 × 3 cm
Description

A Chilean specimen from 1869: radial aggregates of acicular malachite are partly covered by a layer of whitish chalcedony/quartz, all on brownish rock/gossan matrix. On the older label the malachite was identified as atacamite, which was crossed out later, and a second label was added (of Krantz).

Mineral Data
What's on the rock

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

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

Item Toolbox