bn:00065612n
Noun Concept
Categories: Quartz, Quartz gemstones, Trigonal minerals, Dielectrics, Minerals in space group 180 or 181
EN
quartz  Blue Quartz  Star Blue Quartz  Asdivite  Bristol stone
EN
A hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities WordNet 3.0
English:
mineral
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