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If the opal has fire, play of color, it is used for jewelry. Very little gem quality opal is imported by the USA. Most of it goes to Asia. The white opal you are used to seeing in the stores is not considered gem quality in the trade. Gem quality opal can cost thousands of dollars a carat.
Opal can be man made. It is produced for research to see if it can be more efficient in transmitting light than optic cable.
What else can I help you with?
How did Opal show that she wanted to be friends with Amanda in Because of Winn-Dixie?
Opal gave Amanda a hug
Why did opal want a job at the pet store?
Opal wanted to get a fancy leash for Winn-Dixie. But she doesn't have the money to buy it. So she worked there to pay for the leash.
Are there different kinds of opal?
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.
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.
Why does opal get mad at Stevie in the book winn dixie?
Opal treats Stevie and Dunlap nicer at the of the story because of what Gloria said if you be nice to them they will be nice to you back and she invited them to her party.
What is another name for opal?
Another name for opal is "fire opal."
What is the fracture of 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 .
Who are the main character in because of winn dixie?
India Opal Buloni (Opal) The Preacher (Opal's father) Winn-Dixie (Opal's dog)
What is boulder 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.
What are the ingredience in black opal?
black and opal
Does opal scratch easily?
depens on the opal
Is opal common?
Depends on what kind of opal
