Corsi Collection of Decorative Stones

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.  
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

Enter some search terms
Show results as:

search tips

Searches the database for all stone records containing the words you enter. To search for a text string, put it between quotation marks. To search for stone records that don't contain a word, put a minus sign in front of it.

For example, entering: granite "coarse-grained" -Egypt will find all the coarse-grained granites that do not come from Egypt.

Terms of three characters or less have not been indexed.