0
white
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
Is opal valuable?
Ther is no set answer to this question. Each opal is unique and has its own value. From colorless opal to the most prized fire opal it depends on the size and color. A good place to get the idea of the value of opal is to go to ebay and type in opals. You will see prices from a few dollars to over 50,000 dollars.
What is an example for streak?
it means continuously. ex: you have a 5 streak win.once u get defeated u lose your streak.
What is the streak color of peridot?
the streak is a white or brown powder
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 is the streak of onyx?
white
What is the streak of corundum?
Streak is a mineralogical term to describe the colour produced by rubbing a piece of mineral against a (porcelain) neutral background. Since Opal is made from silica spheres, I'd expect a white streak, but meaningless. There may be powdered spheres left behind from the opal structure.
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.
What mineral has a hardness level of 7 has a white streak color and is redbrick?
Opal has the chemical formula of SiO2 * n H2O. It has a hardness of 7.0 and has a natural red brick appearance.
How many opal types are there?
There are 5 basic types of opal. These types are Peruvian Opal, Fire Opal, Girasol Opal, Common opal and Precious 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.
What is the difference between an Australian opal and an Ethiopian 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.
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 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 are the ingredience in black opal?
black and opal
Is opal common?
Depends on what kind of opal
When did The Opal end?
The Opal ended in 1860.
