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What is the mineral name for the uranium ore historically called pitchblende?
Answer
Uraninite
Which mineral is the chief ore of tin, with the chemical formula SnO₂?
Answer
Cassiterite
Which mineral, with the formula HgS, is the principal ore of mercury?
Answer
Cinnabar
Which sedimentary rock consists mainly of rounded gravel-sized clasts?
Answer
Conglomerate
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Which mineral is the chief ore of tin, with the chemical formula SnO₂?
Answer
Cassiterite
Which mineral is the main ore of chromium?
Answer
Chromite
Which sedimentary rock consists mainly of rounded gravel-sized clasts?
Answer
Conglomerate
Which mineral is the most common natural magnetic mineral?
Answer
Magnetite
What is the name for a mineral’s resistance to being scratched?
Answer
Hardness
What is the name of the process in which minerals crystallize from cooling magma?
Answer
Crystallization