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Apophyllite

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QRI811223

Apophyllite

Former collection Lehmann (CH)

Description Tabs

Description
Locality: 
Campos Novos, Santa Catarina, Brazil
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 5.5 × 4.2 cm
Largest Crystal: 
2.30cm
Weight: 
114.00gr
Description

A drusy composed of thick pseudocubic apophyllite crystals of good lustre. Main crystal had a delicate fluorescent green color with outer white rims. Some peripheral bruises here and there.

Brazilian zeolites are rather uncommon nowadays. This specimen comes from the Lehmann collection (CH) and it dates back to the late 80s-early 90s.

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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