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Tunisite With Calcite

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PCZ707117

Tunisite With Calcite

Ex Dirk Rheinlander collection

Description Tabs

Description
Locality: 
Condorcet, Drôme, Auvergne-Rhône-Alpes, France
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.5 × 1.3 cm
Description

Extremely rare tunisite with calcite on matrix. Tunisite is listed for only 5 localities worldwide. Very dificult to obtain material. Ex Dirk Rheinlander collection.

Mineral Data
What's on the rock

Tunisite

Formula: 
NaCa2Al4(CO3)4(OH)8Cl
Strunz: 
5.BB.15
Hardness: 
0.0
Type Locality: 
Sidi Youssef Mine, Sakiet Sidi Youssef (Saqiyat Sidi Yusuf), Al Kåf Governorate (El Kef; Le Kef), Tunisia

Calcite

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