Corsi Collection of Decorative Stones

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view of stone 976

Corsi 976, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 976  
Name and quarry location: 'Diaspro d'Egitto', locality unknown  
Geological description: Breccia of green iron-rich prase/aventurine? fragments in a chalcedony matrix. Abundant ferruginous ‘debris’ is in places altered to orange goethitic and red hematitic spherules. A broad colourless chalcedony vein traverses specimen.  
Comments: The provenance of this stone is not known. Any resemblance to brêche universale (see nos.678, 969) is entirely superficial; it is not thought to be from Egypt.  
References:  
Further information:
 


Corsi's classification: Class 14. Quartz and its varieties; Species 6. Jasper; i. Antique jaspers  
Corsi's text: 186.6/ S24.1 Diaspro anticho. Diaspro d'Egitto  

Full entry in English

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Funded by Esmée Fairbairn Foundation Oxford University Museum of Natural History University of Oxford