Corsi Collection of Decorative Stones

view of stone 656

Corsi 656, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 656  
Name and quarry location: Pietra dell'Etna, from Mt. Etna, Catania, Sicily, Italy  
Geological description: Tuff. Moderately sorted coarse-grained dark crystal-rich ash with rounded grains of plagioclase, pyroxene, olivine, and rarer grains of an opaque oxide mineral. It has an overall basaltic composition, and may be the unaltered equivalent of no. 654.  
Further information:

Corsi's classification: Class 8. Volcanic stones; ii. Stones from Etna  
Corsi's text: 156.12 Pietra dell'Etna  

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.