فالابورا التعدين الميكا,Mica | Minerals Education CoalitionSheet mica is recovered by either sinking a shaft along the strike and dip of a pegmatite or by open-pit surface mining of semi-hard pegmatite ore. In either case, it is a very economically risky mining procedure because of the cost involved in locating the vein and the unpredictability of the quality and quantity of the mica that.فالابورا التعدين الميكا,Child labour: mineral make-up boom raises fears over ethical .Mar 10, 2014 . The market for mica, a mineral used in beauty products, is growing fast but India's export industry remains unregulated. . According to the Australian newspaper The Age, child labour is endemic in India's mica mining business and 86% of the country's mica exports in 2010-2011 were unregulated.
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