CERTIFIED FELDSPAR LIGHT YELLOW 7.30 CTS – NATURAL SRI LANKA GEMSTONE – 19273

100% Natural – Not treated in any way.
Rare Collectors Gem!
Will make a Gorgeous.
Pendent accented with Diamonds.
Gem with High Luster and Good Clarity.
A Gem of Lasting Beauty.

Refractive Index: 1.528 - 1.537
Hardness: 6
Chemical Composition: Na [AlSi3O8]
Density: 2.6 - 2.65
Crystal Group: Triclinic

Feldspar comes in white, yellow, or shades of red, orange to brown. Feldspar is a group of minerals related to each other in structure and chemical composition. Most crystallize in the monoclinic and triclinic systems. Cleavage is good in 2 directions forming nearly right angled prisms.