opal
Color-flashing stone
Opal is a gemstone prized for its iridescent play of colors—flashes of red, blue, green, and yellow that shift as light moves across the surface.
This optical effect, called opalescence, comes from the stone's internal structure of silica spheres.
Opals range from milky white to black, with black opals being most valuable.
She wore her grandmother's opal ring.
The adjective opalescent describes anything with similar shimmering, shifting colors.
Internal spectral shifting
- shimmerTremulous, wavering light
- rainbowRefracted light arc
- spectrumContinuous range of values
- flashBrief burst of light
fire · brilliance · luster · gleam · refraction · dichroism · pearlescent · nacreous
Permitting diffused light passage
- opaqueImpassable to light
- transparentAllowing light through
- milkyWhitish and cloudy
- cloudyObscured by atmosphere
clarity · color bar · play-of-color · cabochon · polish · dome · freeform · doublet
Fitted Renaissance jacket
Year's tenth month
- LibraSeventh zodiacal sign
- ScorpioEighth zodiac sign
- anniversaryRecurring memorial date
- heirloomInherited family treasure
pendant · necklace · ring · bracelet · tradition · gift · keepsake · birthstone jewelry
Iridescent feldspar gemstone
- labradoriteIridescent feldspar mineral
- pearlMollusk-formed gemstone
- ammoliteOpalescent organic gemstone
- abaloneNacreous marine gastropod
mother-of-pearl · fire agate · alexandrite · tourmaline · sunstone · feldspar
Silicon dioxide compound
- hydratedSufficiently supplied with fluid
- amorphousWithout distinct shape
- sedimentaryFormed from deposited material
- mineraloidMineral-like without crystals
deposits · vein · matrix · fossilized · ironstone · sandstone · volcanic · Ethiopian
Australian-themed steakhouse chain
- QueenslandAustralia's northeastern state
- exportForeign-bound sale
- miningExtracting earth's resources
- souvenirToken from a trip
Restoration of health
- protectionGuarding against harm
- creativityCapacity for original thought
- inspirationSource of creative impulse
- hopeDesire for good outcomes
fidelity · purity · emotional · prophetic · luck · cursed · superstition · bad luck
play-of-color
Internal spectral shifting
flash · fire · brilliance · luster · gleam · refraction · dichroism · pearlescent · nacreous · schiller
translucent
Permitting diffused light passage
- opaqueImpassable to light
- transparentAllowing light through
- milkyWhitish and cloudy
cloudy · clarity · color bar · play-of-color · cabochon · polish · dome · freeform · doublet · triplet
doublet
Fitted Renaissance jacket
October
Year's tenth month
- LibraSeventh zodiacal sign
- ScorpioEighth zodiac sign
- anniversaryRecurring memorial date
heirloom · pendant · necklace · ring · bracelet · tradition · gift · keepsake · birthstone jewelry
moonstone
Iridescent feldspar gemstone
- labradoriteIridescent feldspar mineral
- pearlMollusk-formed gemstone
- ammoliteOpalescent organic gemstone
abalone · mother-of-pearl · fire agate · alexandrite · tourmaline · sunstone · feldspar
silica
Silicon dioxide compound
- hydratedSufficiently supplied with fluid
- amorphousWithout distinct shape
- sedimentaryFormed from deposited material
mineraloid · deposits · vein · matrix · fossilized · ironstone · sandstone · volcanic · Ethiopian · Mexican
Outback
Australian-themed steakhouse chain
- QueenslandAustralia's northeastern state
- exportForeign-bound sale
- miningExtracting earth's resources
healing
Restoration of health
- protectionGuarding against harm
- creativityCapacity for original thought
- inspirationSource of creative impulse
hope · fidelity · purity · emotional · prophetic · luck · cursed · superstition · bad luck · unlucky
- jewelryearrings, bracelet, necklaces, necklace, rings
- mineralsquartz, marble, granite, limestone, sandstone
- rocks & mineralscrystal, quartz, amethyst, diamond, ruby
- crystalsquartz, amethyst, diamond, citrine, rose quartz
- gemsdiamond, ruby, emerald, sapphire, amethyst
- gemstonesdiamond, ruby, emerald, sapphire, pearl
opalobsidian
Glassy igneous rock
onyx · jet · diamond · black diamond · rock crystal
- fire opalIridescent orange-red gemstone
- black opalGem with dark body tone
- opal ringFinger band with milky gem
- white opalPale gem with color flashes
- opal glassTranslucent white glassware