____, a Danish naturalist, was the first to note that the angle between two adjacent faces of a crystal of quartz is always exactly the same.
A) Einstein
B) Steno
C) Plummer
D) McGeary
E) Carlson
Correct Answer:
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Q45: _ elements make up 98% of the
Q46: The most common minerals in the Earth's
Q47: _ is the most common element in
Q48: Some minerals have the same chemical composition
Q49: The hardest mineral has a hardness of
Q51: The mineral _ is strongly magnetic.
A) calcite
B)
Q52: In some minerals the bonds are equally
Q53: On Mohs' scale of hardness your fingernail
Q54: Calcite has _ direction of cleavage.
A) 1
B)
Q55: A pulverized mineral (usually on a piece
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