10.65 carat Allens Rise oval cut semi black opal
Large low dome semi black opal from the Allens rise fields, body is full of red, green and yellow pin fire colour. Really sparkles in sunlight. More subdued in the shade.
- Mine - Allens Rise
- Body Tone - N5
- Brightness - 4/5 (3/5 inside)
- Fire colour - red green yellow
- Size - 25x13.5x4.7mm
- Weight - 10.65 carats
About Opals
Luster: Pearly, Vitreous, Opalescence
Birthstone zodiac sign: Libra
Associated month: October
Crystal system: Amorphous solid
Chemical formula: SiO₂·nH₂O
Hardness (Mohs hardness scale): 5.5 – 6.5
Country of origin: Australia, Ethiopia, Mexico and Cornwall amazingly
Size variations: can vary 0.3mm each way on all dimension given
Properties:
In mystical circles, opal is considered a stone representing hope, innocence and purity. It has strong connotations of happiness, faithfulness, loyalty and confidence. Regarded as a powerful sea stone for safety on the water.
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