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Agate and shell (mother of pearl). Sometimes coral. Basically less crystaline gems.

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What is England's national gemstone?

There are two gemstones that have been England's national gemstone. Shell cameos and amethyst are two national gemstones of the country of England.


When was sardonyx discovered?

Sardonyx has been known and used in jewelry since ancient times, dating back as far as the Roman Empire. Its distinctive banded appearance made it a popular gemstone for carving cameos and cabochons.


Is topaz a volcano?

No. Topaz is a silicate mineral sometimes used as a gemstone.


What is a gemstone surface called?

The surface of a gemstone is called a facet. Facets are the flat, polished surfaces of a gemstone that refract light and create its sparkle. The number and shape of facets on a gemstone can vary depending on the type of gemstone and the desired cut. Here are some other terms that are used to describe the surface of a gemstone: Table: The flat, polished top surface of a gemstone. Pavilion: The bottom surface of a gemstone, opposite the table. Crown: The upper portion of a gemstone, between the table and the pavilion. Girdle: The narrow band that separates the crown and pavilion. Culet: The small, pointed bottom tip of a gemstone. The surface of a gemstone can also be enhanced by a variety of treatments, such as tinting, foiling, and waxing. These treatments can improve the color, clarity, or brilliance of a gemstone.


What is the name of a blue variety of a rare mineral used as a gemstone?

The blue variety of a rare mineral used as a gemstone is called blue diamond. Blue diamonds are highly sought after for their rarity and unique color.

Related Questions

What is England's national gemstone?

There are two gemstones that have been England's national gemstone. Shell cameos and amethyst are two national gemstones of the country of England.


When was sardonyx discovered?

Sardonyx has been known and used in jewelry since ancient times, dating back as far as the Roman Empire. Its distinctive banded appearance made it a popular gemstone for carving cameos and cabochons.


When was Opera Cameos created?

Opera Cameos was created in 1953.


Is Morgan a flower or a gemstone?

Morgan is not commonly known as a flower or a gemstone. The name "Morgan" is often used as a given name for individuals, both male and female. It does not refer to a specific flower or gemstone. However, there is a gemstone called "morganite," which is a variety of the mineral beryl. Morganite is typically a pale pink to peach-colored gemstone. So while "Morgan" itself is not directly associated with flowers or gemstones, it is sometimes used as a given name for people, and there is a gemstone called "morganite" that bears a similar name.


How many songs and what are they has Alice Cooper sang cameos in for other bands?

They have sang about 127 cameos forother bands


What actors and actresses appeared in Gallery of Cameos - 2004?

The cast of Gallery of Cameos - 2004 includes: Marie Losier


What are the release dates for Opera Cameos - 1953?

Opera Cameos - 1953 was released on: USA: 8 November 1953


What product can you get from epidote?

Epidote, a nonmtallic mineral, can be used as a gemstone.


What actors and actresses appeared in Opera Cameos - 1953?

The cast of Opera Cameos - 1953 includes: Guiseppe Bamboschek as Conductor (1953)


What sort of gemstone's used in king Tut's death marks?

they used black sapphiree


Frank Oz and Steven Spielberg have cameos in what John Landis movie which also features cameos from a galaxy of RB stars?

The Blues Brothers


Is topaz a volcano?

No. Topaz is a silicate mineral sometimes used as a gemstone.