Igabade letshe lomlilo (i-quartz enamakristalu amancane, SiO₂) elakheka ezindaweni ezinekhalika noma itshe lekalika. Liqhekeka njengegobolondo futhi linika imiphetho ebukhali njengempuco, yingakho laba yitshe eliyinhloko lokwenza amathuluzi enkathini yamatshe endala nemisha. Lisetshenziselwa ukuqopha izinsimbi ezisikayo, izinto zokuklweba, izihloko zemicibisholo nokuphehla umlilo.