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Franzinite

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CR34784

Franzinite

Type Locality

Description Tabs

Description
Locality: 
Case Collina, Pitigliano, Grosseto Province, Tuscany, Italy
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6.5 × 6 cm
Description

Rich old specimen of white franzinite with vesuvianite.

Collected 1984.

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