Natural Moonstone - blue adularescence - 8.870 ct - oval - certified natural
Experience the enchanting allure of this certified natural Moonstone cabochon. With a stunning blue adularescence and a weight of 8.870 ct, this oval gem exudes sophistication and exclusivity, making it the perfect addition to elevate any outfit.
Often referred to as hecatolite, this sodium potassium aluminium silicate from the feldspar group boasts a lustrous, iridescent schiller, making it a truly radiant and luxurious choice. The name moonstone derives from the stone's characteristic visual effect, called adularescence (or schiller), which produces a milky, bluish interior light.
Natural Gems Belgium Colored Stone Certification : CA-MOON024LB-002-095
IDENTIFICATION
Species : Natural Orthoclase (Anorthoclase)
Variety : Blue Moonstone
DESCRIPTION
Shape & Cutting Style : Pear cabochon, polished both sides
Measurements : 16.0 x 11.4 x 5.7 mm
Carat Weight : 8.870 Carat
Color : milky white to to almost colorless with pale blue to blue adularescence
Transparency : Transparant
Hardness : 6.0
Birefringence : 005–0.006
Crystallography : monoclinic
Luster : Opalescent - Vitreous
Refractive index : 1.520-1.525
Specific Gravity : 2.56-2.59
COMMENTS :
No indications of heating, no indications of any other treatment
Adularescence is caused by the diffraction of light as it hits thin, alternating layers of orthoclase and albite within the gem. This produces the appearance of a floating, cloud-like, blue to white light inside the gem. A blue sheen is produced if the albite crystals are very fine.
Personal Note From Natural Gems Belgium:
This Moonstone - blue adularescence moonstone gemstone is all natural, and it's cut grade is fair to good, symmetry is fair to good, polish is good, luster is good.
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