Mica - WikipediaMuscovite, the principal mica used by the electrical industry, is used in capacitors that are ideal for high frequency and radio frequency. Phlogopite mica remains stable at higher temperatures (to 900 °C (1,650 °F)) and is used in applications in which a combination of high-heat stability and electrical properties is required.يستخدم الألغام الميكا,Beauty companies and the struggle to source child labour-free mica .Jul 28, 2016 . Illustration of child labour in mica mines. An estimated 20,000 children work in mica mines in the two Indian states of Bihar and Jharkand. . These fragments are mica, the mineral that adds a shimmer to beauty products such as blusher, eye shadow, lipstick and foundation, as well as to the paints used by.
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