Saffordite "Cintamani Stone" 6.18 g 20x16x16mm
Saffordite, also known as Cintamani Stone, is a rare Pseudo Tektite. While it was believed these were the result of a meteorite impact, it is actually very ancient grandfather Volcanoes that produced these natural glass / obsidian stones. They are very ancient energy, similar to tektites & other obsidian. These are found in a remote location in Arizona, USA. These stones are approx 30 million years old.
If there is no picture of the backlit stone then it is not transparent and no light really passes through.