Description
2" Quartz with Chrysocolla from Tentadora Mine DX1570 pseudomorph Rainbow Obsidian is another form Aragonite with Sulfur mexican 218TZ565 Rainbow Obsidian is another form of Sheen Obsidian that gets its iridescent sheen from inclusions of magnetite nano particles Optical calcite is also referred to as Iceland Spar because of its first discovery in Eskifjord