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Question
The mineral fluorite is commonly sold in mineral shops as octahedral (8-sided) objects. This shape originates from ________.A) the typical crystal form of fluorite
B) a pseudomorph (false form) of fluorite from replacement of a salt, potassium chlorite, that grows in octahedral crystals
C) the growth of fluorite in caves and is the form the crystals grow in the open cavern
D) cutting a larger crystal along four perfect cleavage planes, forming a cleavage fragment
Answer
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