Sapphire waa hal crystal oo aluminium ah, waxaa iska leh nidaamka crystal tripartite, qaab dhismeedka laba geesoodka ah, qaab dhismeedka crystal ka kooban yahay saddex atamka oxygen iyo laba atamka aluminium ee nooca bond covalent, habaysan aad u dhow, oo leh silsilad isku xidhan oo xoog leh iyo tamar tamar, halka ay crystal inte...
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