When they have just been mined they come in all sorts of shapes and sizes but once they have been polished and cut, they are usually round and smooth.
A static shape is a shape that is stable and still. It is the opposite of a dynamic shape which is an active shape that is moving.
regular shape is a shape that has same sides irregular shape is a shape that has diffrent sides
yes a pentagon is a rigid shape * * * * * I am afraid that it is not.
Congruent
the edges of a shape are basicly the sides of a shape
Opal has no definitive form. The word used to describe opal is "amorphous" which means: lacking definite form - having no specific shape.
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.
Opals are generally elliptical in shape, are in some cases pear or spherical. Angular shapes for opals are not commonly seen.
The types of Opal that i am familiar with are White Opal, Fire Opal, Boulder Opal, Black Opal, Crystal Opal, Light Opal, Doublet Opal, Triplet Opal, Common Opal, Synthetic Opal, and Immitation Opal.
There are 5 basic types of opal. These types are Peruvian Opal, Fire Opal, Girasol Opal, Common opal and Precious Opal.
Opal has an amorphous or non-crystalline structure, meaning it lacks a repeating atomic arrangement like that found in crystals. Instead, opal is made up of tiny silica spheres arranged in a disordered pattern, which gives it its beautiful color play known as "play-of-color."
Another name for opal is "fire opal."
The fracture of an opal can be hard or smooth , An opal can have as many fractures as any other mineral can . Sometimes opal can be smooth , sometimes they can be hard . The fracture of an opal is hard and smooth .
India Opal Buloni (Opal) The Preacher (Opal's father) Winn-Dixie (Opal's dog)
Boulder opal is distinct from black opal in the following ways: * Boulder opal is usually mined in open-cut operations while black opal is mined in shafts. * Boulder opal is found in ironstone boulders, while black opal is found in seams.
black and opal
depens on the opal