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Ephesite & Alabandite

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CLB631293

Ephesite & Alabandite

Classic Locality

Description Tabs

Description
Locality: 
Postmasburg, Northern Cape Province, South Africa
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 3 × 2.8 cm
Description

Nice sample of the very rare lithium-rich salmon-colored mica ephesite (full crystals and hexagonal cross-sections) on shiny, black alabandite with a few good crystal surfaces.

From a exceptional find in the seventies.

Mineral Data
What's on the rock

Ephesite

Formula: 
LiNaAl2(Al2Si2O10)(OH)2
Strunz: 
9.EC.20
Crystal System: 
Triclinic
Hardness: 
3.5 - 4.5
Type Locality: 
Gumuch-dagh, Efes (Ephesus), Izmir Province, Aegean Region, Turkey

Alabandite

Formula: 
MnS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Type Locality: 
Sacarîmb (Sãcãrâmb; Szekerembe; Nagyág), Deva, Hunedoara Co., Romania

Seller Information

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