Dragonglass obsidian
Commercial name for weathered nodules of obsidian, from the island of Milos, Greece. Dragonglass obsidian is a recently described type of obsidian discovered by Ismini…
Tag: obsidian
Spider web obsidian
Unregistered commercial name for a stone with black angular fragments with gray-green veins or fissures as in a breccia. This gives the stone a somewhat…
Saffordite
Commercial name for rounded stones of weathered obsidian, named after the town of Safford in Arizona, United States, where the material is found. The loose,…
Midnight Lace Obsidian
Commercial name for black with clear banded obsidian, also called lamellar obsidian. The provider of the material from Eastern Europe, primarily from the Caucasian mountains…
Mahogany obsidian
Commercial name for natural brown-black mottled volcanic glass. Named for its mahogany color. Although obsidian is often referred to as a gem or mineral, it…
Helenite / Mount St. Helens obsidianite
Commercial name for man-made glass incorporating volcanic ash from Mount St. Helens and marketed as a gemstone. Helenite first formed by accident after the eruption…
Colombianite
Commercial name for rounded stones of weathered obsidian found in Colombia, mainly in the Valle del Cauca region around the Cali Crater. These black glassy…
Apache tear
Local name for spherical obsidian, usually embedded in gray perlite, mainly from Arizona, United States. The spheres of black-gray translucent obsidian occur as cores in…
Andara™ ‘crystals’/obsidian
This is perhaps one of the biggest and most persistent hoax stories today. Often referred to by sellers as natural volcanic glass, sometimes with the…
Agni Manitite
Commercial name for rounded pebbles of obsidian found in rivers around Malamingan, Sumatra, Indonesia. These water-rolled obsidian fragments are usually dark, almost black, but show…
