Chingwe choyera choyera chitha kusamutsa bwino zomwe zingatibweretsere phwando linanso. Ndi kuwala kumbuyo, njirayo imatembenukira ku mtundu wina. Chowonetsera chimayang'ana kwambiri mitsempha yachilengedwe ndi mawonekedwe ake.
Zovala za glacier zoyera zoyera izi ndizofunikira mosalekeza. Kutulutsa kwa onyx iyi kuli kochulukirapo, koma malo abwino kwambiri komanso slabs ndi ochepa. Tsopano tili ndi mabatani atatu abwino omwe amapezeka m'matumba athu a miyala. Nazi zithunzi zina zikugawana nanu. Titha kusangalala ngati muli ndi chidwi ndi kukongola kwachilengedweyi ndikulandila mafunso alionse kuchokera kwa inu.
Zinthu zoyera izi ndizodziwika kwambiri ku Middle-East, India ndi South ndi South kum'mawa kwa Asia. Zida zambiri zatumizidwa kumalo awa.