Light colored silicates have a specific gravity of about 2.7 grams/cm3 are composed primarily of the silica tetrahedra and __________.
A) iron, magnesium, calcium, and sodium
B) potassium, calcium, sodium, and aluminum
C) aluminum, magnesium, calcium, and iron
D) potassium, aluminum, magnesium, and sodium
E) magnesium, aluminum, sodium, and calcium
Correct Answer:
Verified
Q44: Your fingernail will scratch
A) talc
B) orthoclase
C) calcite
D)
Q45: Which mineral will "double refract" written text?
A)
Q46: Which of the following is not a
Q47: The most common group of silicates is_
Q48: Clay minerals are light silicates that form
Q50: The most common group of rock forming
Q51: Dark silicates have a specific gravity of
Q52: Halides always include_ .
A) Cl- 1, F-
Q53: The basic building block of a silicate
Q54: The mineral fluorite is commonly _ .
A)
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