waa maxay topaz
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Topaz waa macdan sida qaalibka ah loo isticmaalo sida dhagaxa qaaliga ah waxaana lagu yaqaanaa qaabka crystal ka iyo midabyo kala duwan, oo ay ku jiraan jaalle, buluug, casaan, iyo caddaan. Waa macdan silicate ah oo leh qaacidada kiimikaad ee Al₂SiO₄(F,OH)₂ waxayna ka samaysan tahay dhagaxyada igneous iyo metamorphic.
Topaz waa macdan adag oo raagaya oo leh Mohs engegnaanta 8, taas oo ka dhigaysa mid ka mid ah macdanta ugu adag ee sida caadiga ah loo isticmaalo dahabka. Inta badan waxaa laga helaa kaydka granite iyo pegmatite, iyo sidoo kale kaydadka alluvial.
Marka laga soo tago isticmaalkeeda sida dhagaxa ah, topaz ayaa sidoo kale loo isticmaalay codsiyo warshadeed oo kala duwan, sida soo saarista abrasives, ceramics, iyo electronics. Waxa kale oo loo isticmaali jiray dawo dhaqameed si loogu daweeyo xanuunnada kala duwan.