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Apophyllite

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PJM101276

Apophyllite

Ex J & D Leach Collection ( Melbourne)

Description Tabs

Description
Locality: 
Berufjörður, Djúpavogshreppur, Eastern Region, Iceland
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 2.8 × 2.2 cm
Description

A group of gemmy clear , highly lusterous apophyllite crystals on a matrix of sugary quaryz and small apophyllite crystals, from Rauoafell, Berufjordur, Iceland.

Mineral Data
What's on the rock

Apophyllite

Synonym Of: 

Fluorapophyllite-(K)

Formula: 
KCa4(Si8O20)(F,OH)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.5 - 5.0

Fluorapophyllite-(Na)

Formula: 
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Hydroxyapophyllite-(K)

Formula: 
KCa4(Si8O20)(OH,F)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0
Earthstones Australia

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