Check this article by Giorgi Barisashvili, an absolute minefield of useful info about the qvevri
Kvevri how to deal with
January 12, 2013
modern kvevri / qvevri, natural wine, opinion of expert, qvevri kvevri amphora, kvevri, Winemaking Leave a comment
Georgian qvevri wine: if it’s good enough for God
January 12, 2013
Archaeological …
January 12, 2013
Archaeological excavations shows that there was a working winery in the monastery grounds during the 11th century with qvevris (clay vessels) that could ferment 2000 and 4000 litres. During the excavation more than 40 qvevris was unearthed, this suggests that they produced ca 70 tonnes of wine a year
domaine Georgia 