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Apophyllite

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ZLT144147

Apophyllite

Description Tabs

Description
Locality: 
Hjarðardalur, Eysturoy Island, Faroe Islands, Denmark
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.2 × 4.8 × 4 cm
Largest Crystal: 
1.50cm
Description

Slightly pink apophyllite crystals up to 1.´5 cm. From an old road cut on Eysturoy. Collected 1978. In Box with picture label.

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

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