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18.38 ct Significant Fancy Shape (28 x 14 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone
18.38 ct Significant Fancy Shape (28 x 14 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone
Special Price $499.99 Regular Price $749.99
In stock
SKU
218466
RARE! Mined From Earth! Opaque Quality Multi Color Color
| SKU | 218466 |
| Gem Type | Opal - Boulder Opal |
| Quantity in stock | 1 item(s) available |
| Color | Multi Color |
| Shape | Fancy |
| Size/Dimension (L x W) | 27.79 x 13.94 x 6.69 mm |
| Weight | 18.38 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 | ||||||
