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Calcite On Stilbite

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LBB526618

Calcite On Stilbite

Classic Locality

Description Tabs

Description
Locality: 
Malmberget, Gällivare, Norrbotten County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6 × 3 cm
Largest Crystal: 
1.00cm
Weight: 
139.00gr
Description

A cluster with undamaged calcit- on stilbite crystals from Sweden.

Mined: 
1998
Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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
Lennart Borg

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