FA-DIAS024YG-001-060

Natural Gems Belgium Colored Stone Certification FA-DIAS024YG-001-060

IDENTIFICATION : Natural Yellowish green Diaspore - 0.56 ct - Octagon - unheated

Species : Natural  aluminium hydroxide oxide
Variety : Diaspore (also called diasporite, empholite, kayserite)

DESCRIPTION

Shape & Cutting Style : Octagon, Mixed Cut
Measurements : 6.0 x 4.2 x 2.1 mm
Carat Weight : 0.56 Carat
Color : Yellowish Green
Clarity : comparable to VSI1
Transparency : Transparant

Birefringence : 0.048
Crystallography : Orthorhombic
Luster : Vitreous
Hardness : 6.5 - 7
Refractive index : 1.702-1.750
Specific gravity : 3.39 (turkey)

COMMENTS :

No indications of heating, no indications of any other treatment

Personal Note From Natural Gems Belgium:

This Diaspore is a very rare gem, and has a yellowish green color, is cut grade good, symmetry good , polish good, and luster is good and very shiny and vitreous. The clarity is very good ( VS1)