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Beschrijving
Natural Prehnite - Rough - collectible or decorative - 4.9x4.1 cm - AKA Karoo Stone
Certificate : RO-PREH026GR-003-242
Gem Type: Prehnite
Shape: Rough
Size: 49.3 x 40.1 x 23.9 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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Opwijk
1x bekeken
0x bewaard
Sinds 15 mar '26
Zoekertjesnummer: a160458943
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