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Sulphur is not present in
Answer & Solution
Correct Answer:
Option
D
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). A monoclinic polymorph, chlorapatite-M is known.
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