Lifaha tsa khalase tse bonahatsang tsela ke mofuta oa likaroloana tse ntle tsa khalase tse entsoeng ka khalase e nchafalitsoeng e le thepa e tala, e sithabetseng le ho qhibiliha mocheso o phahameng ke khase ea tlhaho, e bonoang e le sebaka se se nang mebala le se bonaletsang tlas'a microscope. Lenane la eona la refractive le pakeng tsa 1.50 le 1.64, 'me bophara ba eona hangata bo pakeng tsa 100 microns le 1000 microns. Lifaha tsa khalase li na le litšobotsi tsa sebopeho sa spherical, likaroloana tse ntle, ho tšoana, pepeneneng le ho hanyetsa ho apara.
Lifaha tsa khalase tse bonahatsang tsela e le tsela ea ho tšoaea (pente) ka thepa e bonahatsang, e ka ntlafatsa tsela ea ho tšoaea pente ea retro-reflective tshebetso, e ntlafatsa polokeho ea ho khanna bosiu, e khethiloe bakeng sa mafapha a naha a lipalangoang. Ha koloi e khanna bosiu, mabone a khanya tseleng a tšoaeang lifaha tsa khalase, e le hore leseli le tsoang maboneng a ka pele le ka boela la bonahatsoa ka ho bapa, kahoo a nolofalletsa mokhanni ho bona tsela ea tsoelo-pele le ho ntlafatsa tšireletseho ea ho khanna bosiu. Matsatsing ana, lifaha tsa khalase tse benyang e se e le ntho e ke keng ea khutlisetsoa morao lihlahisoa tsa polokeho tseleng.
Ponahalo: e hloekileng, e se nang 'mala ebile e pepenene, e khanyang ebile e pota-potile, ntle le li-bubble tse hlakileng kapa litšila.
Potoloho: ≥85%
Boima: 2.4-2.6g/cm3
Index ea Refractive: Nd≥1.50
Sebopeho: khalase ea soda ea lime, SiO2 content> 68%
Boima ba bongata: 1.6g/cm3