Girazi requartz, iro rinozivikanwawo seyakasanganiswa quartz kana silica girazi, imhando yepamusoro-yakachena, yakajeka fomu yegirazi yakagadzirwa zvakanyanya kubva kune silica (SiO2). Iyo ine yakasarudzika musanganiswa wezvivakwa, zvinosanganisira yakanakisa thermal, mechanical, uye optical zvivakwa, izvo zvinoita kuti ive yakakodzera kune akasiyana siyana ekushandisa ...
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