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Opal is amorphous mineraloid, occurrence : Sedimentary and secondary from the alteration of high silica igneous extrusive rocks

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12y ago

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Related Questions

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 an opal a rock?

No, it's actually a form of silica.


Is opal a sedimentary igneous or metamorphic rock?

igneous


Is fire opal an ignuos rock?

Fire opal is not an igneous rock; it is a mineraloid form of opal, primarily composed of silica. While it can form in volcanic environments, it is classified as a gemstone rather than a rock type. Fire opal is known for its vibrant colors and play of color, which result from its unique internal structure rather than crystallization like igneous rocks.


Valuable rock start with o four letter word?

opal


Does the rock cycle have to start from the sedimentary rock?

No, the rock cycle does not have to start from the sedimentary rock


What is the rock cycle including descriptions of how one type of rock can change into another type?

It is called the Rock Cycle.


What does the rock cycle and water cycle have in common?

The rock cycle and water cycle both are natural.


The way the pieces of materials in the rock fit together define its?

texture. Texture describes the relative size, shape, and arrangement of mineral grains or crystals within a rock, which can range from fine and smooth to coarse and rough. This characteristic is helpful in identifying and classifying different types of rocks.


WHAT is the change of one type of rock into a new type of rock?

ANSWER: rock cycle