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Stilbite Var Puflerite

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NST736872

Stilbite Var Puflerite

With Antique Label

Description Tabs

Description
Locality: 
Forra di Bulla, Castelrotto, South Tirol, Trentino-Alto Adige, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 5.5 × 4.5 cm
Description

An oldie from Alpe di Siusi showing spherical crystal aggregates of stilbite-Ca (var. puflerite) up to 3 mm. Comes with an antique handwritten label.

Mineral Data
What's on the rock

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
Streak: 
White

Puflerite

Variety Of: 

Stilbite

Hardness: 
3.5 - 4
Type Locality: 
Pufler Lake, Seiser Alm, Trentino-Alto Adige, Italy ...