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Kyanite Staurolite & Paragonite

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MEX1038281

Kyanite Staurolite & Paragonite

Classic Locality

Description Tabs

Description
Locality: 
Sponda Alp-Pizzo Forno, Chironico Valley, Leventina, Ticino, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 4.2 × 1.9 cm
Largest Crystal: 
5.50cm
Weight: 
45.00gr
Description

An absolute classic from pizzo forno. The alpe sponda is also the type locality for the mica paragonite. This is the matrix here! In addition to staurolite, the sample consists mainly of beautiful, partially transparent kyanite crystals. The largest crystal measures 5.5 cm in length and runs diagonally on one side of the specimen.

Mineral Data
What's on the rock

Kyanite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.15
Crystal System: 
Triclinic Forms long bladed crystals.
Hardness: 
5.5 - 7.0
Streak: 
Colorless

Staurolite

Formula: 
Fe2+2Al9O6(SiO4)4(O,OH)2
Strunz: 
9.AF.30
Crystal System: 
‎Monoclinic
Hardness: 
7.0 - 7.5
Colour: 
Brown

Paragonite

Formula: 
NaAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
Sponda Alp - Pizzo Forno, Chironico Valley, Leventina, Ticino (Tessin), Switzerland

Current price

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$20
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Start 27 Mar 18:00
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Shipping Information

Postage Area Price
Germany
6
EU+EuropePlus (Zone 1+2)
15
worldwide (to 500g)
$17
worldwide (to 5kg and El Salvador, ...)
$55

Bid History

Full bid history