Afghan fluorite stone, 12.45 carats

Technical details: Type: Afghan Fluorite (Fluorite) weight: 12.45 carats shape: Emerald (Emerald) color: Bi-color (Color-changing) clarity: Slightly Included transparency: Semi-Transparent hardness: 4.0 treatment: Untreated origin: Afghan certification: Electronic certificate (PDF) from the Saudi (MT) laboratory - website (www.mtgl.com.sa) Fluorite stone is considered remarkable due to its exceptional range of colors, which include almost all the colors of the spectrum, and often display multiple colors in one stone. This stone is primarily composed of calcium fluoride, and usually crystallizes in cubic or octahedral shapes. It is also highly appreciated among collectors for the beauty of its crystals and its variety of colors.