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Gyrolite & Laumontite

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MLS612033

Gyrolite & Laumontite

Classic Locality

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Description
Locality: 
Malad Quarry, Mumbai, Maharashtra, India
Class: 
Crystals on Matrix
Size Range: 
Museum (18cm plus)
Size: 
18 × 14 × 11.5 cm
Largest Crystal: 
2.40cm
Description

Museumssize specimen with amazing laumontite and gyrolite,Ex Wörtzel Collection/Berlin

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

Laumontite

Formula: 
CaAl2Si4O12·4H2O
Strunz: 
9.GB.10
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Huelgoat (Locmaria-Berrien), Finistère, Brittany, France
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