Corsi Collection of Decorative Stones

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view of stone 999

Corsi 999, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 999  
Name and quarry location: Granito delle Alpi, from the Alps  
Geological description: Sepentinite. Very coarse-grained. Mottled dark and lighter green. Dark green, veined and cleaved altered pyroxene perhaps with original exsolution texture. Pale green (?) antigorite pseudomorphs retaining ghost fracture pattern of original olivine. One end of specimen shows clasis with constituent minerals forming granular aggregate. White cross-cutting veins contain carbonate and silicate.  
Comments: This locality has not been confirmed.  
References:  
Further information:
 


Corsi's classification: Class 16. Granites; ii. Italian granites  
Corsi's text: 216.55/ S28.3 Altro dello stesso luogo [Granito delle Alpi]  

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