Is an opal a rock

Anonymous

∙ 11y ago

Updated: 8/20/2019

No, it's actually a form of silica.

Wiki User

∙ 11y ago

What else can I help you with?

Is a opal a sedimentary rock?

yes

Is opal a type of rock?

Its a rock. Just a shiny one.

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.

Is opal a sedimentary igneous or metamorphic rock?

igneous

Valuable rock start with o four letter word?

opal

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

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 made opal ware?

Opals are a mined substance that can be found in fissures in rock. It is then processed, cleaned up and cut down to make different types of jewelry. This is how opal ware is made.

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.

Is opal a sedimentary igneous and metamorphic rock?

Opal is neither a sedimentary, igneous, nor metamorphic rock. It is actually a mineraloid composed of hydrated silica that is formed from silica-rich solutions at low temperature, often found in sedimentary rocks like sandstone or volcanic areas.

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 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).

Trending Questions

What is the pathway of smell from the olfactory receptors to the brain? Uri ng pamhalaan meron ang Thailand ngayon? What is the function of the throttle body on 2003 ford expedition? When were bunuelos invented? What is the name of the story in which the bird and the fish fall in love? Was Cleopatra the last pharaoh? What is special about the Egyptian god Anubis? What adaptations does the bobcat have to help it to survive in it's environment? How does a CO2 cartridge work to provide pressurized gas for various applications? How many skylanders are there in total? What was Whitney Houston favorite color? What is the greatest common factor of 14 and 17? Anne Hathaway sings in Les Miserables? Where is the oldest tree in Ohio? What is the percent yield of carbon disulfide if the reaction of 33.4 g of sulfur dioxide produces 10.1 g of carbon disulfide? What kind of ecology surrounds the Nile River? What popular Irish symbol was a sacred plant in ancient Ireland because it symbolized the rebirth of spring? How do you delete a story from your story bird account? How many people did you have to have to become a state in 1864? Is Fiat a French icon?