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Mogánite & Chalcedony Psm Fossil Snail Shell

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Mogánite & Chalcedony Psm Fossil Snail Shell

Pseudomorph

Description Tabs

Description
Locality: 
Dakhla, Dakhla-Oued Ed-Dahab Region, Morocco
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.6 × 1.4 cm
Description

Moganite is a sio2 modification and component of chalcedony chert and flint. This fossil is a very beautiful, transparent endocast.

Mineral Data
What's on the rock

Mogánite

Formula: 
SiO2
Strunz: 
4.DA.20
Crystal System: 
Monoclinic
Hardness: 
6.0
Colour: 
Grey
Type Locality: 
Mogán, Gran Canaria (Grand Canary), Las Palmas Province, Canary Islands, Spain

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey

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