Question

5 Small sentence about mica rock​

Answer 1

Mica, any of a group of hydrous potassium, aluminum silicate minerals. It is a type of phyllosilicate, exhibiting a two-dimensional sheet or layer structure. Among the principal rock-forming minerals, micas are found in all three major rock varieties—igneous, sedimentary, and metamorphic.

Mica sentence example

1. Mica is mined near Mrogoro. ...

2. The mica mined in India is practically all muscovite. ...

3. In 1870 North Carolina's mica mines were reopened, and they produce the best grade of sheet mica for glazing and a large percentage of the country's yield of this mineral.

Explanation:

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Answer 2

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• Mica is mined near Mrogoro.
• The mica mined in India is practically all muscovite.
• In 1870 North Carolina's mica mines were reopened, and they produce the best grade of sheet mica for glazing and a large percentage of the country's yield of this mineral.
• For the more delicate species, such as the Callithamnia and Ectocarpi, it is an excellent plan to place a small fruiting fragment, carefully floated out in water, on a slip of mica of the size of an ordinary microscopical slide, and allow it to dry.
• The name mica is probably derived from the Latin micare, to shine, to glitter; the German word glimmer has the same meaning.