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Prehnite Psm Laumontite

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PJM164566

Prehnite Psm Laumontite

Description Tabs

Description
Locality: 
Pune (Poonah), Maharashtra, India
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.1 × 3.6 cm
Description

Several light green sticklike chains of prehnite crystal,s that are casts or psuedomorphs after laumontite. The laumontite having long since been dissolved away

Mineral Data
What's on the rock

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

Laumontite

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

Seller Information

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Seller's terms and conditions

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