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Bazzite Polycrase & Tourmaline

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SER120322

Bazzite Polycrase & Tourmaline

Type Locality

Description Tabs

Description
Locality: 
Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 4 × 2.9 cm
Description

Two light blue bazzite crystals and a brown polycrase; in another vug there are numerous green tourmaline crystals on albite

Mineral Data
What's on the rock

Bazzite

Formula: 
Be3Sc2(Si6O18)
Strunz: 
9.CJ.05
Crystal System: 
Hexagonal
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7