It depends.... when they have just been dug out of the round they are extremely rough and vary in shapes. Once they have been polished they are very smooth and usually a round shape.
smooth
Tactile Texture is texture that you can feel.
I belive it has no texture
Oxygen does not have a texture. A texture the visual quality of a material and as I am sure you know you cannot see oxygen.
visual texture.. Hope this helps..
smooth
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.
It depends.... when they have just been dug out of the round they are extremely rough and vary in shapes. Once they have been polished they are very smooth and usually a round shape.
There are 5 basic types of opal. These types are Peruvian Opal, Fire Opal, Girasol Opal, Common opal and Precious Opal.
An Ethiopian opal is an opal-CT, whereas an Australian opal is an opal-A. The Ethiopian opal is made up of leptospheres, instead of small amorphous silica spheres like the Australian opal.
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.
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)
black and opal
depens on the opal
Depends on what kind of opal