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Haüyne

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CLB106887

Haüyne

Description Tabs

Description
Locality: 
In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.4 × 0.2 cm
Description

A fine blue grain of 4 mm. Very good color - if you ask me, I think it's better than tanzanite. But 4 mm-pieces are already rare to find.

Mineral Data
What's on the rock

Haüyne

Formula: 
(Na,Ca)4-8(Al6Si6O24)(SO4,S,Cl)1-2
Strunz: 
9.FB.10
Hardness: 
5.5 - 6.0
Type Locality: 
Lake Nemi, Alban Hills, Rome Province, Latium, Italy

Seller Information

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