Product details
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.
R.I. : 1.528 - 1.537 Hardness :6 Chemical Comp. :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 nd triclinic systems. Cleavage is good in 2 directions forming nearly right angled prisms.Feldspar is the name given to a group of minerals distinguished by the presence of alumina and silica (SiO2) in their chemistry. This group includes aluminum silicates of soda, potassium, or lime. It is the single most abundant mineral group on Earth. They account for an estimated 60% of exposed rocks, as well as soils, clays, and other unconsolidated sediments, and are principal components in rock classification schemes. The minerals included in this group are the orthoclase, microcline and plagioclase feldspars.
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