Ishubhu le-sapphire elicwebezelisiwe liyingxenye esebenza kahle kakhulu eyenziwe nge-monocrystalline aluminium oxide (Al₂O₃). Ngokukhula kwekristalu okuthuthukisiwe kanye nokupholisha ngokunemba kwezigaba eziningi, linikeza inhlanganisela yokucaca okubonakalayo, ukuqina komshini, kanye nokukhuthazela kokushisa okumbalwa okungalinganiswa nezinto ezimbalwa. Izindawo ezibushelelezi kakhulu ezindongeni zangaphakathi nezangaphandle zivumela ukudluliselwa kokukhanya okuhle kakhulu kanye nokungcola okuncane, okwenza amashubhu e-sapphire abe yinto ebalulekile ekusetshenzisweni kwe-optical, semiconductor, analytical, kanye nezimboni.