1. Ubunzima obuphezulu: Ubulukhuni be-Mohs bomphezulu bufikelela kwiNqanaba lesi-7.

2. Amandla acinezelayo aphezulu, ukomelela okuphezulu. Akukho mhlophe ucinyiweyo, akukho deformation kwaye akukho kuqhekeka nokuba kubonakaliswe kukukhanya kwelanga. Isici esikhethekileyo senza ukuba isetyenziswe ngokubanzi kwindawo yokubeka umgangatho.

3.Kufutshane-zero ukwanda kwe-thermaligcina imfezeko yesakhiwo kuwo wonke amaqondo obushushu agqithisileyo (-18℃ ukuya kwi-1000℃), igcina imilinganiselo yoqobo, umbala, kunye nozinzo lokumila.

4.Ukumelana neekhemikhali eziphezulungokuchasene nokuhlwa, iiasidi, kunye neealkali ziqinisekisa ukuba akukho kuphelelwa okanye ukuthotywa kwamandla phezu kokuvezwa ixesha elide.

5. Akukho manzi kunye nokufunxa ubumdaka. Kulula kwaye kulula ukucocwa.

6. I-non-radioactive, ilungele ukusingqongileyo kwaye iphinda isetyenziswe.