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Franzinite & Andradite

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TPX917463

Franzinite & Andradite

Classic Locality

Description Tabs

Description
Locality: 
Anguillara Sabazia, Bracciano Lake, Rome Province, Lazio, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.3 cm
Weight: 
8.00gr
Description

Interesting specimen of franzinite and andradite from this classic Italian site.

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

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway

Seller Information

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