I-Black SPINEL, kusukela kuyo iphuma, okukhiphayo kuyabonakala, mangaki amakhulu ezigidi, eziningi zazo ngeke zenziwe ngemikhiqizo eqediwe eyenziwe ngezandla, ngokuvamile isebenzisa ubuchwepheshe obufakwe nge-wax ukuxazulula izidingo zemishini ye-electroplating ehlanganisiwe, emnyama. ephakeme, ngokuvamile, ukuguga kwemishini ethile noma izinga lokushisa elingafanele lokwelashwa kwabasebenzi abanamakhono kuzodala umbala we-spinel omnyama obangelwa i-electroplating.
I-Red Spinel ine-ruby-like egqamile okunethezeka okubomvu, nayo yaziswa kakhulu.Wayegqoke izingubo zikapapa waseVatican, iTsar yaseRussia, indodana yase-Iran, nomqhele weNkosi yoMbuso WaseBrithani.
I-spinel iyimaminerali eyakhiwe nge-magnesium ne-aluminium oxide, ngoba iqukethe i-magnesium, insimbi, i-zinc, i-manganese nezinye izakhi, zingahlukaniswa zibe izinhlobo eziningi, njenge-aluminium spinel, i-iron spinel, i-zinc spinel, i-manganese spinel, i-chrome spinel kanye njalonjalo.