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What is a opals grain size?

Opal's grain size refers to the size of the silica spheres that make up the gemstone. Larger grain sizes can enhance the play of colors in opals, while smaller grain sizes may result in a more uniform color appearance. Grains in opal are typically between 150 and 300 nanometers in size.


If my date is wearing an opal bracelet and says it is her zodiac stone then what is her sign?

You're date is most likely a scorpio. Scorpio's main gemstone is Topaz, but others include Opal, Beryl, Amethyst, Aquamarine, and Tourmaline. Opal is most common of them.


Is opal a crystal?

Opal is not classified as a true crystal; instead, it is a mineraloid. Unlike crystals, which have a defined and ordered atomic structure, opal has a more irregular arrangement of silica spheres. This unique structure contributes to its characteristic play-of-color, making opal a popular gemstone despite its non-crystalline nature.


What are facts about opal?

Opal is a precious gemstone that can display a unique play of colors due to its internal structure. It is composed of silica and water, and its colors can vary depending on the angles of observation. Opal is the birthstone for October and is often associated with luck, love, and creativity.


Is opal valuable?

Ther is no set answer to this question. Each opal is unique and has its own value. From colorless opal to the most prized fire opal it depends on the size and color. A good place to get the idea of the value of opal is to go to ebay and type in opals. You will see prices from a few dollars to over 50,000 dollars.

Related Questions

What do you call opal gemstone in urdu?

In Urdu, opal gemstone is called "اوپل" (pronounced as "opal"). It is known for its unique play of colors and is often used in jewelry. Opal is appreciated for its beauty and is considered a precious stone in various cultures.


What is the national gemstone of the Netherlands?

The Netherlands doesn't have an official national gemstone. Turquoise is the national gemstone of Iran, opal is the national gemstone of Australia and amber is the national gemstone of Spain.


What makes opal a gemstone?

Opal is a gemstone because of its distinctive play-of-color, which is a unique iridescence that reflects a rainbow of colors. It is formed from silica-rich solutions that fill cavities in rock formations, resulting in its characteristic color display. Opal is valued for its beauty and rarity, making it a sought-after gemstone in jewelry.


What is Nevada's semiprecious gemstone?

The semiprecious gemstone associated with the state of Nevada is the Black Fire Opal. It is the official state precious gemstone of Nevada, known for its vibrant play of colors. Black Fire Opal is found primarily in the Virgin Valley located in northern Nevada. The gemstone is highly valued for its striking and unique appearance, making it a popular choice for jewelry and collector pieces. You can visit the Cabochonsforsale to know all the gemstone history and significance.


What is Australia's gemstone?

Opal is the national gemstone of Australia. In Aboriginal legend, the opal was a gift from the sky - the fire of desert. The opal was declared Australia's National Gemstone on 28 July 1994. Currently, over 90% of the world's opal comes from Australian opal fields.


What are the two gemstones in October?

The Gemstone is: OPAL search on www.google.com or www.ask.com


What is a gemstone that starts with O?

Opal and onyx are two I can think of spontaneously.


What is the special power of the gemstone opal?

Gemstones don't have special powers.


What is unique about opal?

* Opal is the only gem that is formed by water. * Opal is the only gemstone where many different brightly coloured hues may be seen in the one stone.


What is a opals grain size?

Opal's grain size refers to the size of the silica spheres that make up the gemstone. Larger grain sizes can enhance the play of colors in opals, while smaller grain sizes may result in a more uniform color appearance. Grains in opal are typically between 150 and 300 nanometers in size.


Variety of gemstone with variable shifting colours?

mystic topaz opal moonstone


Three letter word for black gemstone?

Opal , Onyx ,