Caractéristiques

Conditie
Nieuw

Description

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

...
...
...
...
...
...
...
...
...
...
...
...
Opwijk
vu 1x
sauvegardé 0x
Depuis 15 mars '26
Numéro de l'annonce: a160458945