Kongmoon 7X7 Lavendel Purple Fire Opal Cabochon Verzilverd Sieraden Voor Vrouwen Piercing Oorbellen
Metal: | Brass |
Plating: | Silver Plated |
Color: | Silver color and Purple |
Opal: | 7x7mm Cushion Created Lavender Purple Fire Opal Cabochon |
Fastening: | Butterfly |
Item Size: | Length: 40mm/1.57inch (Including Buckle) Width: 12mm/0.47inch |
Lab-created fire opal is synthetic gemstone NOT PLASTIC. Elements:80% Silica & 20% Resin. MOHS hardness:4. Specific Gravity:1.80-1.90. Heat Resistance:130 degree C. Lab-grown synthetic opal takes about a year to grow in laboratory and is similar in properties to natural opal. Lab-grown synthetic opal contains high percentage of silica at least 80% and has the unique feature of vertical growth pattern. Silica is an important element for opal. According to GIA in order to be opal a material must be silica in composition as major elements possibly containing some water. the percentage of silica in composition determines man-made opal's quality and value. Lab-grown synthetic opal is also known as created opal or lab-made opal or lab-created opal.
Brand Name : KONGMOON
Model Number : DOEM0126V
Item Type : Earrings
Shape\pattern : Cushion
Style : Classic
CN : Guangdong
Earring Type : Drop Earrings
Metals Type : copper
Material : Semi-precious Stone
Origin : Mainland China
Fine or Fashion : Fashion
Gender : Women