Mexican Jalisco Rainbow Obsidian Rough Chunk Lapidary Stone Magnetite Blue 95% of these should have

95% of these should have either agate

If you wish for one with a certain color

While we did not test a batch of rocks in it

but is otherwise very solid

Looking for rough display pieces

Mexican Jalisco Rainbow Obsidian Rough Chunk Lapidary Stone Magnetite Blue 95% of these should haveThis is practice grade Rainbow Obsidian. The magnetite in this one is present, but not very bright. Mexican Rainbow Obsidian is also known as Jalisco Obsidian. It tends to be a pretty pure form of Obsidian, with high flash and bright colors. Typical chunks of Jalisco Obsidian normally have only one color of flash, though under rare circumstances, there can be multiple colors present. Unlike Velvet Obsidian, the magnetite in Rainbow Obsidian generally