Post by koolaid on Jan 11, 2008 16:17:23 GMT -5
This is a plate of calcite crystals from Minas Geris, Brazil, the same place where the amethyst geodes come from. You can get it on EBay or at most rocks shops to add to your fluorescent collection (cheeper than going there). It glows red under short wave and pink under long wave light.
Dennis
Dennis
