L940 calcite 18th century Italian gold leaf

18th century Italian gold leaf fragment decorated with a faceted cut black crystal on a free-forming black obsidian mineral with a polished face

It is an example of the world's finest crystallized calcite

it is unequaled by those from any other part of the world (referenced from the "American Mineral Treasure" book

18th century Italian sunray decorated with titanium tangerine crystal quartz points

L940 calcite 18th century Italian gold leaf18th century Italian hand carved angel wing mounted on a chalcopyrite and adorned with kyanite. The hand carved angel wing was once part of a heavenly, angelic depiction in a historic church in Tuscany. The paint and gilding is original and the chalcopyrite and kyanite compliment the multicolor angel wing. Together, the elements look as though the piece evolved together over time. The Italian angel wing has been put together with the minerals to