Correct Answer - Option 4 : China
The correct answer is China.
- Mica production worldwide in 2020, by country
| Country |
Production (metric tons) |
| China |
95000 |
| Finland |
65000 |
| USA |
35000 |
| Madagascar |
30000 |
| South Korea |
20000 |
| France |
18000 |
| Canada |
18000 |
| India |
15000 |
| Turkey |
5500 |
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Mica is a silicate mineral, known as sheet silicates because they form in distinct layers.
- Mica is heat-resistant and does not conduct electricity.
- There are 37 different mica minerals.
- Example purple lepidolite, black biotite, brown phlogopite, and clear muscovite.
- The principal use of ground mica is in the gypsum wallboard joint compound, where it acts as a filler and extender, provides a smoother consistency, improves workability, and prevents cracking.
- Sheet mica is used principally in the electronic and electrical industries.
- Sheet and block mica are electrical insulators in electronic equipment, thermal insulation, gauge “glass”, windows in the stove and kerosene heaters, dielectrics in capacitors.
