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Heulandite-Ba & Calcite

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KAT547707

Heulandite-Ba & Calcite

Type Locality

Description Tabs

Description
Locality: 
Kongsberg Silver Mines, Kongsberg, Viken, Norway
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 3.9 × 1.5 cm
Description

a combination of highly lustrous and translusent Heulandite-Ba crystals from the TL

with Calcite, Quartz, Fluorite and Pyrite

Mineral Data
What's on the rock

Heulandite-Ba

Formula: 
(Ba,Ca,K,Na,Sr)5Al9Si27O72·22H2O
Strunz: 
9.GE.05
Hardness: 
3.5
Streak: 
White
Type Locality: 
Northern Ravnås Prospect, Vinoren Southern Mines, Vinoren Silver Mine Field, Kongsberg Silver Mining District, Svene, Flesberg, Buskerud, Norway

Calcite

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

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