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opal
1[ oh-puhl ]
noun
- a mineral, an amorphous form of silica, SiO 2 with some water of hydration, found in many varieties and colors, including a form that is milky white.
- an iridescent variety of this that is used as a gem.
- a gem of this.
Opal
2[ oh-puhl ]
noun
- a female given name.
opal
/ 藞蓹蕣辫蓹濒 /
noun
- an amorphous, usually iridescent, mineral that can be of almost any colour, found in igneous rocks and around hot springs. It is used as a gemstone. Composition: hydrated silica. Formula: SiO 2 . n H 2 O
opal
- A usually transparent mineral consisting of hydrous silica. Opal can occur in almost any color, but it is often pinkish white with a milky or pearly appearance. It typically forms within cracks in igneous rocks, in limestones, and in mineral veins. It also occurs in the silica-rich shells of certain marine organisms. Chemical formula: SiO 2 路苍贬 2 O.
Derived Forms
- 藞辞辫补濒-藢濒颈办别, adjective
亚洲网紅露点 History and Origins
Origin of opal1
亚洲网紅露点 History and Origins
Origin of opal1
Example Sentences
The fossils were found by Elizabeth Smith and her daughter Clytie of the Australian Opal Centre in Lightning Ridge, who have spent decades working and searching over the opal fields.
Fossilised pieces of the animal's jaw bone were found in opal fields in northern New South Wales, alongside evidence of several other ancient and now extinct monotreme species.
S. dotyi鈥檚 microspheres, in contrast, remained uniform, arranging themselves in an orderly, crystalline lattice like that found in an opal鈥攑erfect for reflecting and amplifying certain colors.
鈥淟imbo鈥 also is built around a man looking for answers, in this case about the 20-year-old disappearance of an Indigenous schoolgirl in the titular town, a remote, depressed opal mining outpost.
Around him, teeth coverings sparkled on the shelves 鈥 diamond, gold, opal, some featuring designs including a pink fang-shaped outline.
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More About Opal
What does听opal mean?
An opal is a gemstone that鈥檚 best known for its iridescent, milky-white variety.
Other varieties are black and gray, but it can be almost any color. As a mineral, opal is a form of silica.
Unlike many of the other gemstones used in jewelry, opal is not crystalline, meaning it does not form in a crystal structure鈥攊t looks like a stone, as opposed to a faceted jewel like a diamond.
Opal gemstones are classified as common or precious. Precious is a label given to certain gemstones that are high in value. Opals labeled precious are typically those that display a high level of iridescence.
Opal is the traditional birthstone for the month of October. It is associated with the zodiac signs Libra and Scorpio.
Example: The opal pendant had flecks of green, pink, and blue.
Where does听opal come from?
The first records of the word opal come from the 1300s. It comes from the Greek 辞辫谩濒濒颈辞蝉, meaning 鈥渙pal鈥 or 鈥済em.鈥 The word may be related to the Sanskrit upala, meaning 鈥減recious stone.鈥
Opal is an amorphous hydrated silica mineral. The word hydrated indicates that water is a large part of its makeup (up to 20%). Opal is found in igneous rocks, often around hot springs. It is also found in the shells of some marine organisms.
Some opal is synthetic, meaning it is manufactured.
Did you know ... ?
What are some other forms related to opal-like?
- opal-like (adjective)
What are some words that often get used in discussing opal?
How is听opal used in real life?
Opal is commonly used in jewelry and is known for its iridescent qualities.
Play-of-color occurs in precious when lightwaves travel between spheres 鈥 the waves bend and break up into the colors of the rainbow.
鈥 GIA (@GIAnews)
This 14K rose gold ring has one 4.5mm lab created opal and four small diamonds to give it some sparkle. Add a textured halo, and voil脿, You've got the perfect trendy little ring to wear with your favorite outfits!
鈥 Royal Diadem Jewelers (@royaldiadem)
鈥h! An opal鈥! It's my birthstone! That reminds me that I really wanted a new bracelet~. A bracelet with my birth crystal sounds so cool鈥!
鈥 taichi bot 馃彸锔忊嶐煂 (@taichiquotebot)
听
听
Try using听opal!
True or False?
Precious opal is considered a gemstone, but it does not have a crystalline structure.
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