水晶砂是进口砂岩。
兼营釉用化工原料、 硅酸锆、锆英粉、锆英砂、 萤石粉及各种规格水晶砖、亚光砖、仿古砖和抛光砖。
Glaze concurrently with chemical raw materials, zirconium silicate, zircon flour, zircon sand, fluorite powder and all kinds of crystal tiles, matt tiles, antique tiles and polished.
本文综述了国内外硅石矿物原料替代天然水晶生产高纯石英砂的研究现状；
So the research of producing the high pure quartz with the silica mineral substitutes for natural quartz is imminent.
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