Natural green Prehnite - 15.02 ct - Rough Gemstone - unheate

Natural green Prehnite - 15.02 ct - Rough Gemstone - unheated
Discover the incredible beauty and unique qualities of unheated rough gemstones with this stunning 15.02 ct Natural green Prehnite. Certified as natural by NGB, this gemstone is a one-of-a-kind piece that will add a touch of natural elegance to any collection. Treat yourself or someone special to the beauty of nature with this exquisite gemstone.

Certificate : RO-PREH024GR-001-110

Gem Type: Prehnite

Weight: 15.02 Carat

Shape: Rough

Size: 17.4 x 14.2 x 9.4 mm.

Color: clear green (yellowish)

Clarity: Semi-Translucent

Luster: N/A

Treatment: Unheated Untreated

Birefringence : 0.021-0.033
Crystallography : Orthorhombic
Dispersion : weak
Luster : Vitreous
Hardness : 6-6.5
Refractive index : 1.611-1.665
Specific gravity : 2.80-3.00

COMMENTS :

No indications of heating, no indications of any other treatment

FIND THE ONLINE CERTIFICATE HERE

For impression take a look at the pictures,

all items are sent insured with track and trace regardless of value