Here is a really big piece of rough Mexican Fire Opal with no imperfections. If cut in a particular way, you could get some fires in your finished stone.
Vast Crystal Clear Mexican Fire Opal For Faceting/Cabbing With No Cracks/Craze
$90.00Price
Type - Crystal
Location - Jalisco, Mexico
Size - 20mm x 10mm x 8mm
Weight - 45 Cts