FA-NEZI024OR-001-001

Natural Gems Belgium Colored Stone Certification FA-NEZI024OR-001-001

IDENTIFICATION : Natural deep orangy reddish brown - 0.35 ct - round - unheated

Species : Natural Zircon
Variety : Zircon

DESCRIPTION

Shape & Cutting Style : Round Brilliant, Mixed Cut
Measurements : 3.8 x 3.7 x 2.5 mm
Carat Weight : 0.35 carat
Color :  deep orangy reddish brown
Clarity: comparable to SI2
Transparency : Transparent 
origin : unknown
classification: high type based on colour

Crystallography : Tetragonal
Dispersion : 0.039
Luster : Vireous
Refractive index : Intermediate: 1.85-1.93
Specific Gravity : Intermediate - high 4.60

COMMENTS :

no indications of heating or other treatment

Personal Note From Natural Gems Belgium:

By far the most important type of zircon to the trade is the high-property type from Cambodia and Thailand, where it occurs as waterworn pebbles or stones with traces of tetragonal crystal forms in colors ranging from pale yellow brown to deep red-brown.
This gemstone has cut grade good , polish poor to fair, symmetry fair to good