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单词 θ7001
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the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > quartz (143)
crystalOE

Any naturally occurring mineral substance which is clear and transparent like ice; esp. a form of quartz (= rock crystal, n. 1). Often in…

quartz1676

A common rock-forming mineral consisting of silica, SiO2, which occurs as colourless or white hexagonal prisms or as polycrystalline masses, and…

spar-stone1694

A stone or rock having a crystalline appearance; quartz, spar.

Subcategories:

— high temperature quartzes (2)
— crystalline quartzes (30)
— cryptocrystalline quartz (62)
— amorphous quartz or opal (33)
— basanite (3)
— other quartzes (10)
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更新时间:2025/2/3 14:19:16