B - Beautiful, bright orange calcite that will cut a blazing gem if you can handle the softness and cleavage. Because of it's highly double refractive nature, the small fractures can create rainbow colors inside the gem. If it survives being cut that is...Only for daredevils. Family : Calcite Variety : Orange Origin : unknown (probably Mexico) Size : Treatment : None known Total Carats : 323 Clarity : %
Measurements in millimeters(mm) Weight in carats(ct) (for grams divide carats by 5) Graph paper is 1/4 inch squares.