silicates

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Definition/MeaningWord/Phrase
any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium feldspar , felspar
mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium gadolinite , ytterbite
any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive garnet
gummy orange mixture of uranium oxides and silicates occurring naturally in the hydration and oxidation of pitchblende gummite
green to black mineral of the amphibole group; consists of silicates of calcium and sodium and magnesium and iron hornblende
any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity isinglass , mica
any of a family of glassy minerals analogous to feldspar containing hydrated aluminum silicates of calcium or sodium or potassium; formed in cavities in lava flows and in plutonic rocks zeolite
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