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Cassiterite In Arsenopyrite

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PDM1164886

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Description
Locality: 
Rutongo, Kigali City Province, Rwanda
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.8 × 6.8 × 5.2 cm
Weight: 
392.00gr
Description

A cavity in quartz lined by brown cassiterite crystals and with the core cemented by microcrystalline arsenopyrite crystals, and minor chalcopyrite and pyrite. Very rare Rutongo specimen, where the paragenesis of cassiterite in arsenopyrite is the only one I know. The specimen has been analyzed in different areas.

Collected in the middle 1960’s by Professor Albert Delvaux (1919-1998).

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0

Arsenopyrite

Formula: 
FeAsS
Strunz: 
2.EB.20
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

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Start 05 Feb 18:00
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Shipping Information

Postage Area Price
Belgium (Tracked)
7
NL, DE, FR, LU (Tracked)
10
EUROPE 1 . or 2 (Tracked)
12.16
CANADA (Tracked)
21
USA (NOT Tracked) . or USA (Tracked)
22
REST (Tracked)
22

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