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Gyrolite

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GND71021

Gyrolite

Ex. Willyama Minerals specimen
Classic Locality

Description Tabs

Description
Locality: 
Malad Quarry, Mumbai, Maharashtra, India
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 3.5 × 2.3 cm
Description

One of my favourite zeolite minerals, gyrolite, forming a large hemisphere of olive crystals with smaller ones growing out at one side. Some minor white associated stilbite and calcite.

A choice older piece with no damage. Comes with previous dealer label.

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
Gondwana Minerals