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Opal Var Fiorite

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TBM1063800

Opal Var Fiorite

Type Locality

Description Tabs

Description
Locality: 
Santa Fiora, Mount Amiata, Grosseto Province, Tuscany, Italy
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 5.5 × 3 cm
Weight: 
33.00gr
Description

Very nice  cluster of  brillant pearly white stalactites of Fiorite, a variety of Opal, first discovered/collected at Santa Fiora in Tuscany. Historical discovery.

Mineral Data
What's on the rock

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Streak: 
White

Fiorite

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Type Locality: 
Santa Fiora, Mount Amiata, Grosseto Province, Tuscany, Italy ...