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Apophyllite

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ATM1102372

Apophyllite

Description Tabs

Description
Locality: 
Road No. 95 Road Cut, Heiðarvatn, Breiðdalsheidi, Fljótsdalshérað, Múlaþing, Eastern Region, Iceland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.71 × 5 × 4.62 cm
Description

Super translucent White Apophyllites on Basalt matrix from rare Icelandic locality.

Ball of bladed Thomsonite-Ca in centre with Apophyllites attached.

Fine piece no damage.

Apophyllite crystals to 0.74cm.

Gyrolite Ball 1.37cm.

Ex Dr Trevon Devon collection.

Ex Claus Petit Jean

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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