KONGMOON Ocean Blue Fire Opal Jewelry for Women Snap Closure Hoop Earrings
KONGMOON Ocean Blue Fire Opal Jewelry for Women Snap Closure Hoop Earrings
SPECIFICATIONS
Brand Name: KONGMOON
Material: Semi-precious Stone
Metals Type: Copper
Earring Type: hoop earrings
Shape\pattern: Geometric
Fine or Fashion: fashion
Gender: Women
Model Number: DOEM0104B
Item Type: EARRINGS
Size (Length * Width): 20mm * 3mm(20mm * 3mm)
Style: Classic
Choice: yes
semi_Choice: yes
Metal: |
Brass |
Plating: |
Silver Plated |
Color: |
Silver color and Blue |
Opal: |
Created Ocean Blue Fire Opal |
Fastening: |
Snap |
Item Size: |
Length: 20mm/0.79inch (Including Buckle) Width: 3mm/0.12inch |
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.