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 .
Contraluz is opal where you see the play of colors by illuminating the back of the stone with light as compared to most opal where the light falls on the front of the stone to see the play of fire, The contaluz opal when illuminated from behind, the stones develop a brilliant colour play.
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.
Gertrude doesn't exactly address or show any emotion to Opal at all, but she does take a liking for Winn-Dixie.
Another name for opal is "fire opal."
Opal forms when silica-rich water seeps into cracks and cavities in rocks, then evaporates and leaves behind solid silica deposits. Over time, these deposits can stack up and form opal, with the play-of-color effect being created by the interaction of light with the silica spheres within the stone.
Yes
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
Depends on what kind of opal