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Mica is not a type of foliated rock but is in fact the name for a subdivision of a group of minerals known as Phyllosilicates.

They form as parallel sheets of silicate tetrahedra resulting in thin sheet like crystals. Foliations are planer alignments of crystals within metamorphic and igneous rocks and foliated rocks may contain micaceous minerals.

See the related link for a picture of a Quartz-Mica Schist seen in thin section and viewed through a petrographic microscope with the polarising filters crossed.

In the example picture the white, grey and black amorphous blobs are quartz crystals and the long, thin, brightly coloured (predominantly blue and yellow) crystals are muscovite mica.

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16y ago

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Related Questions

How old is mica the rock?

Mica minerals typically form in rocks millions to billions of years old. The specific age of a rock containing mica would depend on the geologic history of the area where it was formed.


Which would not be consider as a mineral water diamond mica or quartz?

Quartz


Where can you sell mica rock?

You can sell mica rock through various online marketplaces such as eBay, Etsy, or specialized mineral and gemstone websites. Additionally, consider contacting local rock and mineral shops, art supply stores, or craft fairs that may be interested in purchasing mica for artistic or industrial uses. Networking with local gem and mineral clubs can also provide opportunities to sell your mica.


Is Mica a solid liquid or gas?

Mica is a solid


Does the rock mica have a chemical composition?

Mica is a class of minerlas, not a rock. Different micas have different chemical compositions.


What is a mica rock?

no it is a mineral


What rock is formed when mica is metamorphosed?

Mica is formed by chemicals combining their industrial forces with fresh water and turning into thin breakable sheet rock.


What type of rock is mica schist?

It is a folliated metamorphic rock.


How is garnet mica formed?

A Mica Garnet schist is a metamorphic rock formed from a shale or a granitic mother rock when this is squashed and heated at death in the crust.


What rock has all mica?

gem stone


What is the word obtained after unscrambling the word mica?

The spelling mica is a word, a soft rock. There are no common anagrams.


What is the intrusive pink rock with mica?

The intrusive pink rock with mica is likely to be granite. Granite is an igneous rock that forms from the slow cooling of magma deep underground. The pink color is often due to the presence of potassium feldspar, and mica minerals, such as biotite or muscovite, can be found in granite as well.