NATURAL Feldspar Orange 2.52 Cts Rare Collectors Gemstone – 18346

100% Natural – Not treated in any way.
Rare Colectors Gem.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Gem with High Lustre 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.