Corsi Collection of Decorative Stones

view of stone 587

Corsi 587, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 587  
Name and quarry location: Serpentina verde di Polcevera, from Polcevera, Genoa, Liguria, Italy  
Geological description: Brecciated serpentinite.  
Comments: Polcevera is possible. The name of this place seems to have changed with time from the Ligurian names Pûçéivia or Ponçéivia. Dodwell in 1837 calls it Ponsevere, and Pullen in 1894 calls it Ponsevera. Jervis (1862) writes of a well known and much esteemed calcareous serpentine from the famous quarries of Polcevera (Genoa), and later records an ophicalcite known in the trade as Marmo verde di Polcevera from Campomorone (formerly known as Larvego); adding the quarry is in the vicinity of the village of Pietra Lavazzara (1889). Note that although this stone resembles serpentinite from Levanto in Liguria, red serpentinites were also worked in the Polcevera quarries.  
References: Bunsen (1837) 60; Jervis (1862) 26-28; Jervis (1889) 253-254; Price (2007) 184; Pullen (1894) 123-124; Watson (1916) 426-428  
Further information:

Corsi's classification: Class 7. Serpentines; ii. Common serpentines  
Corsi's text: 148.12 Altra varietà [Verde di Ponsevre nel Genovesato]  

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