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Gugiaite & Bavenite

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SER165337

Gugiaite & Bavenite

Description Tabs

Description
Locality: 
Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 1.5 × 2.5 cm
Description

Isolated, white gugiaite crystals on chlorite and groups of white pearl gugiaite on siderophyllite, with chabazite and bavenite too

Mineral Data
What's on the rock

Gugiaite

Formula: 
Ca2Be(Si2O7)
Strunz: 
9.BB.10
Crystal System: 
Tetragonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Gujia village, Tangqiao, Zhangjiagang Co., Suzhou Prefecture, Jiangsu Province, China

Bavenite

Formula: 
Ca4Be2Al2Si9O26(OH)2
Strunz: 
9.DF.25
Crystal System: 
Orthorhombic
Hardness: 
5.5
Colour: 
White
Type Locality: 
Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy