Green Tsavorite Garnet 7.5mm Round A Grade - 15-16 Inch 48hr_04162024 Sardonyx is sometimes treated to

Sardonyx is sometimes treated to bring out its reddish tones

Petrification occurs when the wood is covered by sedimentary rock

that were deposited in shallow sea beds

Madagascar

Green Tsavorite Garnet 7.5mm Round A Grade - 15-16 Inch 48hr_04162024 Sardonyx is sometimes treated toGarnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. All species of garnets possess similar physical properties and crystal forms, but differ in chemical composition. The different species are pyrope, almandine, spessartine, grossular (varieties of which are hessonite or cinnamon stone and tsavorite), uvarovite and andradite.