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Haüyne On Fassaite

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RHT885844

Haüyne On Fassaite

Fluorescent

Description Tabs

Description
Locality: 
Biachella Valley, Sacrofano, Rome Province, Lazio, Italy
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 5.4 × 4.2 cm
Weight: 
134.00gr
Description

Very good specimen, full of pale bluish haüyne crystals on massive dark green fassaite (an augite variety) with sharp crystals. Probably with remnants of gehlenite and/or tuscanite (colorless to orange-brown).

Haüyne intense pink fluorescent.

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

Fassaite

Variety Of: 

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Hardness: 
5.5 - 6.0
Hardness: 
0.0