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Is opal a heterogeneous or homogeneous mixture?
Opal is indeed a heterogenous mixture
Does opal have a smell?
no
Is diatomite an example of opal silica?
yes it is
What are the characteristics of a fire opal?
Fire Opal is said to be an excellent crystal for business, it is believed to draw in money, smoothen the path of change and encourage you to make progress and evolve.
What is the container that holds face powder called?
The word is compact.
Why is the mineral opal referred to as a mineraloid?
Opal is an amorphous form of silica related to quartz, a mineraloid form, not a mineral. A mineraloid is a mineral-like substance that does not demonstrate crystallinity.Now you get it?
Is Fire Opal a rock or a mineral?
Neither. Opal is a mineraloid, as it does not have a sufficiently organized structure to be considered a mineral.
What is the opals crystals system?
Opal, being amorphous, is not really a mineral but a mineraloid. One of the scientifically accepted standards defining a mineral is that a mineral must have a crystal structure, which opal lacks. Many scientific groups and references, including the acclaimed Dana's System of Mineralogy, categorize Opal together with the "true" minerals. For this reason, Opal -- as well as other amorphous types that fall under the definition of a mineraloid.
What type of rock is green opal?
An opal is considered to be a mineraloid, meaning that it has all of the properties of a mineral-- solid, inorganic, naturally forming, has a chemical composition-- but does not demonstrate crystallinity. Other examples of mineraloids include obsidian, an amorphous glass (that is not a crystal).
What a three examples of mineraloid?
they are obsidian, opal, limonite
What are 3 examples of mineraloid?
Mineraloids are a mineral like substance that don't exhibit crystallinity. 5 Examples: mercury pearl obsidian anthracite jet
Is an opal a type of rock?
No, it's a type of silica, and is classed as a mineraloid.
Is opal an intrusive or extrusive mineral?
Opal is not considered a rock but actually a mineraloid gel. It is deposited at relatively low temperatures. One of the characteristics if igneous rocks, sometimes called fire rocks, is that they are formed at high temperatures. Whether an igneous rock forms below ground, or on or near the surface, it's all about heat forming the rock. Opal cannot take its form under that kind of heat.
How does opal fit in the rock cycle?
Opal is amorphous mineraloid, occurrence : Sedimentary and secondary from the alteration of high silica igneous extrusive rocks
What is outback mineral?
Opal
What chemical is opal made from?
Opal ia a hydrated silica mineral.
What does opal stand for?
The opal is considered a water stone. Its main symbolic meaning is inspiration, especially inspiration as it applies to being creative. It is also said that the opal can reduce confusion and improve your memory.
