Corsi Collection of Decorative Stones

view of stone 819

Corsi 819, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 819  
Name and quarry location: Granito violetto, marmor Troadense, from Çigri Dâg, Ezine, Canakkale, Marmara; Turkey  
Geological description: Medium-grained quartz monzonite with large violet-grey megacrysts of potash feldspar in a groundmass of quartz, plagioclase, biotite and hornblende.  
Comments: This is believed to be a dark veriety of granito violetto, also known as granito Troadense or marmo Troadense. It was exported to Rome between the second and sixth centuries AD.  
References: Borghini (1997) 236-237; Lazzarini (2002c) 246; Mielsch (1985) 68, taf.23; Ponti (2002) 291-295; Price (2007) 219  
Further information:

Corsi's classification: Class 16. Granites; i. Antique granite  
Corsi's text: 204.7 Granito antico. Marmor Syenite. Marmo Sienite... [trovata] presso la città di Siene sul confine fra Egitto, e l'Etiopia... Pyrrhopoecilon... Psaronion...Aethiopicum perchè... era Siene sul confine dell' Etiopia.  

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.