Corsi Collection of Decorative Stones

view of stone 979

Corsi 979, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 979  
Name and quarry location: Diaspro delle Alpi, from the Alps  
Geological description: Poorly sorted breccio-conglomerate with very heavily fractured argillaceous siliceous clasts and a calcarenite cement. Brown is filler/polishing compound.  
Comments: This is not, by any description, a jasper.  
Further information:

Corsi's classification: Class 14. Quartz and its varieties; Species 6. Jasper; ii. Italian jaspers  
Corsi's text: 191.35/ S25.1 Diaspro delle Alpi  

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