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Apophyllite

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PJM35769

Apophyllite

Description Tabs

Description
Locality: 
Propect Quarry, Sydney, New South Wales, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2 × 4.3 × 2.7 cm
Largest Crystal: 
1.60cm
Description

A group of white translucent apophyllite crystals on a chalky white matrix from this now defunct location.

Part of an accumulation of smaller specimens acquired from a retired quarryman in the early 1980's.

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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