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12.90 ct Terrific Fancy Cabochon Shape (29 x 13 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
12.90 ct Terrific Fancy Cabochon Shape (29 x 13 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
Special Price $93.99 Regular Price $149.99
In stock
SKU
210222
Gorgeous Natural Gemstone Genuine & Mined from Earth
| SKU | 210222 |
| Gem Type | Opal - Boulder Opal |
| Quantity in stock | 1 item(s) available |
| Color | Play of Colors |
| Shape | Fancy Cabochon |
| Size/Dimension (L x W) | 29.14 x 13.37 x 3.97 mm |
| Weight | 12.9 cts |
| Clarity | Opaque |
| Number of Pieces | 1 |
| Luster | Excellent |
| Origin | Australia |
| Treatment | Unheated / Untreated |
| Refractive Index | 1.37-1.47 |
| Specific Gravity | 2.1 |
| Chemical Composition | SiO2.nH2O |
| FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I1 | I2 | I3 |
| Flawless- Internally Flawless | Very Very Slightly Imperfect | Very Slightly Imperfect | Slightly Imperfect | Imperfect | ||||||