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Quartzites
From Wikipedia, the free encyclopedia
Quartzites[1] vel quarzites[2] est saxum metamorphicum, cuius pars maior quartzum est (alia quartziti composita sunt mica, spathum etc.). E saxo arenaceo per metamorphismum gignitur. Diversis coloribus quartzites invenitur, albescens et rubescens et canescens. Granite durior est et maiore labore secatur vel politur.
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