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Franzinite

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CHP881807

Franzinite

Classic Locality

Description Tabs

Description
Locality: 
Albano Laziale, Alban Hills, Rome Province, Lazio, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.2 × 1.1 cm
Description

specimen with a beautiful single complex white crystal of franzinite on matrix.

c. 3114

Mineral Data
What's on the rock

Franzinite

Formula: 
(Na,K)6Ca2(Al6Si6O24)(SO4)2·0.5H2O
Strunz: 
9.FB.05
Hardness: 
5.0
Streak: 
White
Type Locality: 
Case Collina (Toscopomici quarry), Pitigliano, Grosseto Province, Tuscany, Italy

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