FA-DIAS024YG-001-001
Natural Gems Belgium Colored Stone Certification FA-DIAS024YG-001-001
IDENTIFICATION : Natural Yellowish green Diaspore - 0.66 ct - Cushion - unheated - needle inclusion
Species : Natural aluminium hydroxide oxide
Variety : Diaspore (also called diasporite, empholite, kayserite)
DESCRIPTION
Shape & Cutting Style : Cushion, Mixed Cut
Measurements : 6.2 x 5.0 x 2.5 mm
Carat Weight : 0.66 Carat
Color : Yellowish Green
Clarity : comparable to I3
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
acicular needle
Personal Note From Natural Gems Belgium:
This Diaspore is a very rare gem, and has a yellowish green color, is included with white needle, and is cut grade good, symmetry fair , polish fair to good, and luster is good and vitreous.
