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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.
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 the streak of a opal?
The streak of an opal is typically colorless due to its amorphous structure. It doesn't leave a visible streak on a streak plate like some other minerals do.
What was Bill Gates birthstone?
Bill Gates is born on October the 28 so his birthstone is the Opal and pink tormaline.
What are facts about opal?
Opal is a precious gemstone that can display a unique play of colors due to its internal structure. It is composed of silica and water, and its colors can vary depending on the angles of observation. Opal is the birthstone for October and is often associated with luck, love, and creativity.
What is the form of Opal?
Opal has no definitive form. The word used to describe opal is "amorphous" which means: lacking definite form - having no specific shape.
Is opal similar to peridot?
No. Opal is an amorphous hydrated form of silica.
What is the chemical name for opal?
Opal is a form of silica, amorphous and hydrated: SiO2.nH2O.
Is an opal a rock?
No, it's actually a form of silica.
Where are opals made?
Australian Opal are dug and cut both on the opal fields and in the city's. they are found in New South Wales (NSW) - The Home of Black Opal New South Wales produces most of the Opal of Australia. Lightning Ridge opal is the darkest and most valuable form of opal. White Cliffs, produces white or crystal opal in the form of 'seam White Cliffs is also noted for the production of 'opal pineapples' Queensland produces boulder opal, these occur in deposits in weathered sedimentary Cretaceous rocks in the west of the state Quilpie, Queensland the largest producer of boulder opal in the world Winton, Queensland Opalton, Queensland Yowah, Queensland home of the opal refered to as Yowah Nut, South Australia - The White Opal Fields South Australia has 4 working opal fields, Andamooka, Coober Pedy, Lambina and Mintabie. South Australia produces the largest amount of opal and this is known as milky opal. Coober Pedy produces most the world's white opal. Andamooka, South Australia Mintabie, South Australia Lambina, South Australia
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.
How the mineral opal form?
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.
How is halite different from opal?
Halite is a naturally occurring mineral form of sodium chloride, commonly known as rock salt, while opal is a hydrated amorphous form of silica with a characteristic play-of-color. Halite is typically colorless or white, whereas opal can display a wide range of colors due to its internal structure diffracting light.
What is another name for opal?
Another name for opal is "fire opal."
What is opal the rockmade out of?
Opal is a hydrated, amorphous form of silica, ie sand. Silicon Dioxide, SiO2. Rather than a crystal formation, opal consists of tiny, tightly packed spheres of SiO2, with 3% to 20% of the mineral's weight as molecular water trapped amongst them.
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 .
