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Chalcedony Psm Fossil

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RRW799200

Chalcedony Psm Fossil

Pseudomorph

Description Tabs

Description
Locality: 
Bu Craa, Laâyoune Province, Laâyoune-Sakia El Hamra Region, Morocco
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 4.5 × 3.3 cm
Description

This is a somewhat bizarre looking pseudomorph of Chalcedony replacing a globular colonial sponge. The color ranges from a cream through medium to dark brown. These were said to be from around Smara in the Western Sahara in the past, but the true location has been identified as an obscure phosphate pit at Bu Craa. 

 

Mineral Data
What's on the rock

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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Auction items are not returnable due to the nature of auctions.

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