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Apophyllite & Analcime

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ZLT101005

Apophyllite & Analcime

Description Tabs

Description
Locality: 
Playa de Hermigua, La Gomera, Canary Islands, Spain
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 2 cm
Largest Crystal: 
0.40cm
Description

Apophyllite and analcime on rock matrix. Some thomsonite and natrolite is also present. Collected in 1996.

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

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy

Seller Information

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