Kenmerken

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Beschrijving

Natural Prehnite - Rough - lapidary, collectible or decorative - 6.0x4.2 cm - AKA Karoo Stone

Certificate : RO-PREH026GR-003-244

Gem Type: Prehnite

Shape: Rough

Size: 60.1 x 49.1 x 36.3 mm.

Color: clear green

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

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Sinds 15 mar '26
Zoekertjesnummer: a160458945