
Aurora Opal - Black and White Opal with a lively Play-of-Color
Multicolored opals with a non-directional and swirly pattern of play-of-color. Opals Type 1 / Fine Crystalline Opals
Aurora Opals - Rings and Cabochons
Aurora Opals - Description and Properties
- Opal: Type 1
- Body Color: Black and White
- Play-of-Color: Dominant Green, Orange or Blue
- Opal Pattern: Irregular, Non-Directional Swirls
- Specific Gravity: 1.3 - 1.4 g/cm3
- Index of Refraction (RI): 1.49 - 1.50
- Porosity: Non-Porous
- Temperature Resistance: up to 140°C
- Hardness (Pencil Hardness): 4
- Composition: 15-20% SiO2 + 85-80% Resin
- Form of Delivery: Rough Opals
- Shape: Quadratic Slabs with Rounded Edges
- Size: 114 x 115 x 40 mm
- Weight: 650 grams


Green Aurora Opal - Pattern of Play-of-Color
Aurora Opal - Pattern of Play-of-Color
Aurora Opal in Orange
Dark Opal with a Swirly Pattern
Orange Aurora Opal - Pattern of Play-of-Color
Non-Directional Swirly Pattern
Aurora Opal in White - Rough Opal
Non-Directional Swirly Pattern, Synthetic Impregnated Opal in White
White Aurora Opal - Pattern of Play-of-Color
Non-Directional Swirly Pattern, White Synthetic Impregnated Opal
White Aurora Opal - Ring and Cabochon
White Impregnated Synthetic Opal
Aurora Opal - Orange
Rough Opal, Orange
Aurora Opal - White
White Impregnated Synthetic Opal
Aurora Opal - Orange
Orange Impregnated Synthetic Opal
Aurora Opal - White
White Impregnated Synthetic Opal
Aurora Opals
Rough Impregnated Synthetic Opals
Synthetic Opals and Synthetic Impregnated Opals.