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Milarite

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JYJ922574

Milarite

Description Tabs

Description
Locality: 
Piz Giuv, Giuv Valley, Tujetsch, Surselva Region, Grisons, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 3.5 × 3.5 cm
Description

Colourless milarite with quartz, pyrite from the Piz Giuv Valley, Tujetsch, Grisons, Switzerland. 

 

Mineral Data
What's on the rock

Milarite

Formula: 
K2Ca4Al2Be4Si24O60·H2O
Strunz: 
9.CM.05
Hardness: 
6.0
Type Locality: 
Giuv Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland