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Gyrolite & Calcite

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PJM99163

Gyrolite & Calcite

Description Tabs

Description
Locality: 
Bombay Quarry, Mumbai District, Maharashtra, India
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 3.8 × 1.5 cm
Description

A group of dark cream to tan coloured gyrolite sphericals with a soft silky sheen. The gyrolite has over growth an optically clear calcite rhomb, giving added balance and depth to this specimen

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White
Earthstones Australia

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All goods must be paid for prior to shipping, all bids are binding.