Insimbi eyigugu eyakhiwe ngesiliva element yamakhemikhali (Ag), inombala omhlophe omsulwa kanye nokucwebezela kwensimbi okuqinile. Iqinile ngokwamakhemikhali, kodwa ihlangana kalula nesibabule ukwenza i-silver sulfide, engabangela ingaphezulu lezinto zesiliva zibe mnyama futhi zishintshe umbala. Ukuminyana kwayo okuhlobene ngu-10.49. Ubulukhuni bayo buyi-2.5-3. Iphuzu layo lokuncibilika liyi-961.93 degree. I-ductile kakhulu (yesibili kuphela kwegolide) futhi i-conductor enhle yokushisa nogesi. Isiliva insimbi esetshenziswa kakhulu embonini yobucwebe, kodwa ngenxa yokuthi ithambile kakhulu, ivamise ukuphinga nezinye izakhi (njengethusi, i-zinc, ne-nickel). Isiliva elijwayelekile linokuqukethwe kwesiliva okungu-92.5%. Ezikhathini zanamuhla, ngenxa yokuthambekela kwayo ekubeni mnyama futhi ilahlekelwe ukucwebezela kwayo, kanye nenani layo eliphansi kakhulu kunegolide neplatinamu, isiliva livame ukusetshenziselwa ubucwebe obungabizi. Isiliva futhi inezinhlobonhlobo zezinhlelo zokusebenza zezimboni, ezifana nokusebenza kwayo okuhle kakhulu ezingxenyeni ze-elekthronikhi namathuluzi wamathuluzi ahlukahlukene anembayo.
I-925 sterling silver indinganiso yamazwe ngamazwe yobucwebe besiliva. [Qaphela: Okulandelayo kubonakala kuwucezu oluhlukile, olungahlobene:] Ubucwebe besiliva ngokuvamile bugxivizwa ngesifinyezo esithi "Sterling" ("S" noma "Sterling"). Isiliva se-Sterling sigxivizwe S925. Isiliva esihle sigxivizwe S990. Nokho, amazwe amaningi awagxivizi ubucwebe besiliva ngalolu phawu.
Ezinye izitembu zensimbi eyigugu:
IPlatinum, ephawulwe ngokuthi Pt (Pt850/900/950/990/999).
Iplatinamu: Igolide elimhlophe, elakhiwe ngokuyinhloko ngegolide.
Isiliva: Uphawu lwekhemikhali u-Ag (kusukela kwelesi-Latin Argentum, i-Arg- iyimpande ye-Indo-yaseYurophu emelela okumpunga nokucwazimula). Inombolo ye-athomu 47, iyinsimbi yoguquko. Isiliva lenzeka ngamanani amancane kakhulu ngesimo salo samahhala ngokwemvelo, ngokuyinhloko njenge-ores eyinhlanganisela yesiliva. Isiliva lizinzile kumakhemikhali, linokusebenza okuphansi futhi liyabiza. Nokho, ine-conductivity enhle kakhulu yokushisa nogesi, ayigqwali kalula ngamakhemikhali, futhi ithambile futhi i-ductile.
