GK
BASIC GENERAL KNOWLEDGE
Question
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Sulphur is not present in
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chlorapatite
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coal
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gypsum
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iron pyrites
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Explanation:
Detailed explanation-1: -Sulphur is not present in chlorapatite. Chlorapatite is formed in fluor-deficient environments, and found in calcium silicate marbles, in layered mafic intrusions and in diabases. It is known to replace triphylite in some granite pegmatites (Ptáček 2016).
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