Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Gyrolite Apophyllite & Quartz

Views:
Watches:
ESM811924

Gyrolite Apophyllite & Quartz

Description Tabs

Description
Locality: 
Bombay Quarry, Mumbai District, Maharashtra, India
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 5 × 8 cm
Description

White gyrolite balls with colorless apophyllite crystals on doubly terminated translucent milky quartz crystals

Mineral Data
What's on the rock

Gyrolite

Formula: 
NaCa16Si23AlO60(OH)8·14H2O
Strunz: 
9.EE.30
Hardness: 
2.5
Streak: 
White
Type Locality: 
The Storr, Portree, Trotternish, Isle of Skye, North West Highlands (Inverness-shire), Scotland, UK

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White