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Sanidine

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MGR1037733

Sanidine

Rare Mineral

Description Tabs

Description
Locality: 
Itrongay, Mahasoa Est, Betroka, Anosy, Madagascar
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.6 × 1.1 cm
Description

Outstanding single crystal of this rare member from the feldspar group. The crystal is transparent, almost gemmy with lustrous faces and well defined edges. The colour is a smooth golden yellow. Some areas are naturally rounded.

Mineral Data
What's on the rock

Sanidine

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic - Prismatic
Hardness: 
6.0
Streak: 
White
Type Locality: 
Drachenfels, Königswinter, Siebengebirge, North Rhine-Westphalia, Germany

Current price

Starting price

10
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Start 23 Mar 18:00
End
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Shipping Information

Postage Area Price
Austria 5
5
Europe 14
16
North America 16
19
Rest of World 19
22

Bid History

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