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Opal

Opal is hydrated silica and the refraction of light by silica spheres creates a play of colour when viewed from different angles. Do not confuse opal with "opalite" - this is a man-made synthetic stone, usually glass. With regard to colour, please pay attention to the description of the gems as photographing opals is extremely difficult. Hardness 6 (Mohs).

48 Items
Australian Boulder Opal Rough Specimen 39mm
£58.15
Australian Freeform Boulder Opal 12.5mm
£135.65
Australian Freeform Boulder Opal 16.25mm
£45.40
Australian Freeform Boulder Opal 16.25mm
£171.00
Australian Freeform Boulder Opal 19.25mm
£31.50
Australian Freeform Boulder Opal 20mm ~ PAIR
£49.00
Australian Freeform Boulder Opal 22.75mm
£35.95
Australian Freeform Boulder Opal 22mm
£52.50
Australian Freeform Boulder Opal 26.5mm
£124.30
Australian Freeform Boulder Opal 28.5mm
£40.00
Australian Freeform Boulder Opal 29.25mm
£31.50
Australian Freeform Boulder Opal 29.5mm
Australian Freeform Boulder Opal 29.5mm
£102.60
Australian Opal Freeform Doublet 12.75mm
Australian Opal Freeform Doublet 12.75mm
£23.00
Australian Opal Freeform Doublet 13.25mm
Australian Opal Freeform Doublet 13.25mm
£18.00
Australian Opal Freeform Doublet 16.25mm
£28.25
Australian Opal Freeform Doublet 16mm
Australian Opal Freeform Doublet 16mm
£20.00
Australian Opal Freeform Doublet 19.25mm
Australian Opal Freeform Doublet 19.25mm
£23.00
Australian Opal Freeform Doublet 20mm
£25.00
Australian Opal Freeform Slice 15.25mm x 15mm
Australian Opal Freeform Slice 15.25mm x 15mm
£64.95
Australian Opal Marquise Cabochon 10mm
Australian Opal Marquise Cabochon 10mm
£15.75
Australian Opal Oval Cabochon 16mm x 12.25mm
£181.70
Australian Opal Oval Cabochon 16mm x 12mm
£165.85
Australian Opal Oval Cabochon 5mm x 3mm
Australian Opal Oval Cabochon 5mm x 3mm
£5.70
Australian Opal Oval Cabochon ~ Various Sizes
Australian Opal Oval Cabochon ~ Various Sizes
£14.85
Australian Opal Oval Doublet 20.5mm
Australian Opal Oval Doublet 20.5mm
£50.00
Australian Opal Oval Doublet ~ Various Sizes
Australian Opal Oval Doublet ~ Various Sizes
£10.85
Australian Opal Pear Doublet 6mm x 4mm
Australian Opal Pear Doublet 6mm x 4mm
£7.90
Australian Opalised Wood Cabochon 19.25mm
£42.65
Australian Opalised Wood Cabochon 22mm
£38.00
Australian Opalised Wood Cabochon 26.5mm
£39.20
Australian Opalised Wood Cabochon 26mm
£35.00
Australian Opalised Wood Cabochon 27mm
£41.20
Australian Opalised Wood Cabochon 28.5mm
£49.25
Australian Opalised Wood Cabochon 29.5mm
£43.80
Australian Opalised Wood Cabochon 31mm
£43.20
Australian Opalised Wood Cabochon 38mm
£58.45
Australian Opalised Wood Cabochon 39mm
£49.25
Yellow Opal Rose Cut Slice 14mm
£8.45