GFCO Certified 3.52 Carats Natural Emerald Gemstone

3848

存貨單位
尺寸（毫米）: 10.250 x 9.590 x 5.000mm
重量 (cts): 3.520
Certified Gemstones: 是的
Treatment: Oiled (Cedar/Joban)
類型: Faceted
Shape: Emerald
顏色

Gemstone : Natural Emerald
Shape : square Cushion
Color : Green
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

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存貨單位
尺寸（毫米）: 10.250 x 9.590 x 5.000 mm
重量 (cts): 3.520
Certified Gemstones: 是的
Treatment: Oiled (Cedar/Joban)
類型: Faceted
Shape: Emerald
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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