Natural Iolite - 0.425 ct - oval - unheated - bluish violet- high quality cordierite

Natural Iolite - 0.425 ct - oval - unheated - bluish violet- high quality cordierite

Meet this captivating Natural Iolite—a completely untreated gemstone that dances between rich blue and violet hues with every twist and turn. Known as "water-sapphire" among gem enthusiasts, this 0.425 carat oval specimen showcases the kind of authentic brilliance that makes collectors' hearts skip a beat. Whether you're designing bespoke jewelry or building a curated collection, this high-quality cordierite delivers genuine character and outstanding value. No heat treatments, no tricks—just pure, unadulterated gemstone beauty waiting to become your next treasure.

Natural Gems Belgium Colored Stone Certification FA-IOLI026BV-003-203

IDENTIFICATION

Species : Natural Cordierite
Variety : Iolite

DESCRIPTION

Shape & Cutting Style : Oval, mixed Cut
Measurements : 6.0 x 3.9 x 2.9 mm
Carat Weight : 0.425 Carat
Color : violet (bluish)
Clarity : comparable to SI
Transparency : Transparant

Birefringence : 0.005-0.018
Crystallography : Orthorhombic
Dispersion : 0.017
Luster : Vitreous
Hardness : 7.5
Refractive index : 1.522-1.578
Specific gravity : 2.53-2.78

COMMENTS :

No indications of heating, no indications of any other treatment

Personal Note From Natural Gems Belgium:

Color : good to very good
Clarity : good 
Carat: jewelry size
Cut  : good
Symmetry : very good

FIND THE ONLINE CERTIFICATE HERE