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Spinel & Calcite

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MNT22894

Spinel & Calcite

Ex Dr F Krantz (Bonn, Germany)

Description Tabs

Description
Locality: 
Antsiriky, Anosy, Madagascar
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 4 cm
Description

Nice specimen with numerous black and mostly well developed spinels in white calcite.

1970s or earlier.

Mineral Data
What's on the rock

Spinel

Formula: 
MgAl2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
7.5 - 8.0

Calcite

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

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