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Cascandite & Muscovite

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SER743621

Cascandite & Muscovite

Description Tabs

Description
Locality: 
Seula Mine, Mount Camoscio, Verbano-Cusio-Ossola Province, Piedmont, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.6 × 2.5 cm
Description

Two tiny but excellent cascandite crystals groups ; one is quite colourless, the other one features the characteristic pink colour

Mineral Data
What's on the rock

Cascandite

Formula: 
Ca(Sc,Fe3+)(HSi3O9)
Strunz: 
9.DG.07
Hardness: 
4.5 - 5.5
Type Locality: 
Giacomini quarry (Diverio quarry), Agrano, Omegna, Verbano-Cusio-Ossola Province, Piedmont, Italy

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White