GFCO Certified 2.55 Carats Natural Emerald Gemstone

3142

存貨單位
尺寸（毫米）: 10.020 x 8.150 x 4.300mm
重量 (cts): 2.550
Certified Gemstones: 是的
Shape: Emerald
類型: Faceted
顏色

Gemstone : Natural Emerald
Shape : Emerald Cut
Color : VIVID Green
Transparency: Transparent

Origin : ZAMBIA
Treatment: Not Heated. Not Treated. Not Enhanced.

Emerald is a gemstone and a variety of the mineral beryl (Be₃Al₂(SiO₃)₆) colored green by trace amounts of chromium and sometimes vanadium. Beryl has a hardness of 7.5–8 on the Mohs scale. Most emeralds are highly included, so their toughness (resistance to breakage) is classified as generally poor.

Ultraviolet fluorescence: None (some fracture-f...

Category: Beryl variety

Mohs scale hardness: 7.5–8

Color: Green shades to colorless

存貨單位
尺寸（毫米）: 10.020 x 8.150 x 4.300 mm
重量 (cts): 2.550
Certified Gemstones: 是的
Shape: Emerald
類型: Faceted
顏色

Ultraviolet fluorescence: None (some fracture-f...

Category: Beryl variety

Mohs scale hardness: 7.5–8

Color: Green shades to colorless

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