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Gold & Nepheline

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MGR1161622

Description Tabs

Description
Locality: 
Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region, Morocco
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.2 × 0.5 cm
Description

The only discovery world-wide which shows this combination of gold and nepheline. Very aesthetic, undamaged and developed as floater.

Mineral Data
What's on the rock

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Nepheline

Formula: 
(Na,K)AlSiO4
Strunz: 
9.FA.05
Hardness: 
5.5 - 6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy