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Gehlenite & Haüyne

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SHS755806

Gehlenite & Haüyne

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4 × 2.5 cm
Description

gehlenite crystals with clear hauyne crystals on matrix

Mineral Data
What's on the rock

Gehlenite

Formula: 
Ca2Al(AlSiO7)
Strunz: 
9.BB.10
Crystal System: 
Tetragonal
Hardness: 
5.0 - 6.0
Type Locality: 
Monzoni Mts, Fassa Valley, Trento Province, Trentino-Alto Adige, Italy

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