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Meionite & Thaumasite

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SHS1034764

Meionite & Thaumasite

Description Tabs

Description
Locality: 
Monte Somma, Vesuvius, Campania, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.6 × 2 cm
Description

Nice meionite and thaumasite on matrix

Mineral Data
What's on the rock

Meionite

Formula: 
Ca4Al6Si6O24CO3
Strunz: 
9.FB.15
Hardness: 
5.0 - 6.0
Streak: 
White
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Thaumasite

Formula: 
Ca3(SO4)[Si(OH)6](CO3)·12H2O
Strunz: 
7.DG.15
Hardness: 
3.5
Streak: 
White
Type Locality: 
Bjelke Mines, Åreskutan, Åre, Jämtland, Sweden