7.30 ct First-class Pear Cabochon (21 x 12 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone
First-class Play of Colors AAA+ Un-Heated Mined From Mexico 100% Natural Genuine Mined from Earth Gemstone!!!
Gem Type
Matrix Fire Opal
Color
Play of Colors
Shape
Pear Cabochon
Size (LxWxD)
21.00 x 12.13 x 4.89 mm
Weight
7.30 ct
Grade
AAA+
Hardness
6.5
Luster
Excellent
Clarity
Opaque
Treatment
Un-Heated
Origin
Mexico
RefractiveIndex
1.37-1.47
Specific Gravity
2.1
FL
IF
VVS1
VVS2
VS1
VS2
SI1
SI2
L1
L2
L3
L4
Flawless Internally Flawless
Very Very Slightly Imperfect
Very Slightly Imperfect
Slightly Imperfect
Imperfect
Opaque
Matrix Fire Opal Mohs Hardness: 5.5-6.5 Found in: Mexico and Australia History: Matrix opal consists of specks of precious opal in a rock matrix, usually sandstone. This type of opal is often dyed black to enhance the color play. Ironstone opal forms in a hard, brown, compact type of sandstone. Matrix opal may also consist of layers or stringers of opal in a rock matrix. Also called mass opal. Metaphysical: Said to assist in recalling past incarnations, to develop psychic powers,bring out inner beauty, and draw money and luck
