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Heulandite-Ba & Fluorite

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SKY741643

Heulandite-Ba & Fluorite

Type Locality

Description Tabs

Description
Locality: 
Vinoren Silver Mines, Svene, Flesberg, Viken, Norway
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1 × 1 cm
Description

Colorless crystals of heulandite-Ba from the type locality in Kongsberg associated to octahedral fluorite in two different colors : GREEN and PURPLE.

Fluorite in two different colors in the same specimen is very very rare !

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

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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