Large Black Obsidian Dagger w/ Etched Handle / 7.5"-8.0" AVG #3 This variety of calcite derives

This variety of calcite derives its color from copper inclusions that oxidized while it formed

Average size range: 70 to 90 millimeters

and some pieces with trace amounts of manganese can turn orange instead

but instead a kind of glass that forms when volcanic lava rapidly cools in the open air without forming any specific crystalline structures

The study of Orthoceras fossils helps scientists understand the evolution of cephalopods and provides insight into the marine environments of the Paleozoic era

Large Black Obsidian Dagger w/ Etched Handle / 7.5"-8.0" AVG #3 This variety of calcite derivesLarge Black Obsidian Dagger w Etched Handle Origin: Mexico Pieces measure approximately 7. 5" 8. 5" (AVERAGE SIZE) The picture is an example ONLY. This listing is for a 100% natural product. Please allow for variation in size, shape, color, and formation. Randomly selected gemstones, cherry picking requests can not be fulfilled. CRYSTAL RIVER GEMS WHOLESALE BULK **Fast domestic and international shipping**