Question

what is mica?????? ​

Answer 1

Answer:

Hope it helps you .

Explanation:

The mica group of sheet silicate minerals includes several closely related materials having nearly perfect basal cleavage. All are monoclinic, with a tendency towards pseudohexagonal crystals, and are similar in chemical composition. Wikipedia

Cleavage: Almost perfect

Specific gravity: 2.8–3.0

Streak: White, colorless

Mohs scale hardness: 2.5–4 (lepidolite); 2.5–3 biotite; 2.5–3 phlogopite; 2–2.5 muscovite

Diagnostic features: cleavage

Fracture: flaky

Luster: pearly, vitreous

Answer 2

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