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Opals are generally elliptical in shape, are in some cases pear or spherical. Angular shapes for opals are not commonly seen.

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Q: What is the most common shape of opal?
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Related questions

Is opal common?

Depends on what kind of opal


How many types of opals are there?

There are 5 basic types of opal. These types are Peruvian Opal, Fire Opal, Girasol Opal, Common opal and Precious Opal.


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.


What town and country is know as the opal capital of the world?

The unmodified opal is a common mineral located worldwide. The most important deposit locations for opal minerals are: Australia, and Mexico. However, Australia remains the richest in said mineral, having more than 3/4th of the world's common opal.


What is the most common shape for a brick?

he most common shape is a rectangular prism.


Are there different kinds of opal?

Yes, there are different types of opal, including precious opal which displays flashes of iridescent color, common opal which lacks play-of-color, fire opal which displays vibrant orange, red, or yellow hues, and black opal which has a dark body tone with bright play-of-color. Each type has unique characteristics and qualities.


What is the most common shape of tunnels?

An inverted U shape is the most common tunnel shape as this is the strongest.


What is the form of Opal?

Opal has no definitive form. The word used to describe opal is "amorphous" which means: lacking definite form - having no specific shape.


What is the most common shape of kite?

Kites come in many different shapes, but the most common shape is the diamond.


What states in the US are opal found in?

Opal is most commonly found in Idaho.


Why opal water and mercury are not true minerals?

Minerals by definition are solid, naturally occurring inorganic materials with a definite shape and crystalline structure. Opal water and mercury are both liquids lacking a definite shape and crystalline structre.


What is the most common shape of bacteria seen in a typical cheek smear?

The most common shape of bacteria seen in a typical cheek smear is cocci, which are spherical or round in shape.