Lifaha tsa khalase tse bonahatsang tsela ke mofuta oa likaroloana tse ntle tsa khalase tse entsoeng ka ho sebelisa khalase hape e le thepa e tala, tse silakantsoeng le ho qhibilihisoa mochesong o phahameng ke khase ea tlhaho, e bonoang e le selika-likoe se se nang 'mala le se bonaletsang tlas'a microscope. Index ea eona ea refractive e pakeng tsa 1.50 le 1.64, 'me bophara ba eona ka kakaretso bo pakeng tsa li-micron tse 100 le li-micron tse 1000. Lifaha tsa khalase li na le litšobotsi tsa sebopeho se chitja, likaroloana tse ntle, ho tšoana, ho pepeneneng le ho hanyetsa ho tsofala.
Lifaha tsa khalase tse bonahatsang tsela e le letšoao la tsela (pente) thepa e bonahatsang, li ka ntlafatsa ts'ebetso ea pente ea ho tšoaea tsela e bonahatsang morao, tsa ntlafatsa polokeho ea ho khanna bosiu, li khethiloe bakeng sa mafapha a naha a lipalangoang. Ha koloi e khanna bosiu, mabone a pele a khanya moleng oa ho tšoaea tsela ka lifaha tsa khalase, e le hore leseli le tsoang mabone a pele le ka bonoa morao ka nako e le 'ngoe, ka hona ho nolofalletsa mokhanni ho bona tataiso ea tsoelo-pele le ho ntlafatsa polokeho ea ho khanna bosiu. Matsatsing ana, lifaha tsa khalase tse bonahatsang li fetohile thepa e bonahatsang e ke keng ea nkeloa sebaka lihlahisoa tsa polokeho ea litsela.
Ponahalo: e hloekile, ha e na 'mala ebile e bonaletsa, e khanyang ebile e chitja, ntle le lipululana kapa litšila tse totobetseng.
Bolelele: ≥85%
Boima: 2.4-2.6g/cm3
Letšoao la refractive: Nd≥1.50
Sebopeho: khalase ea soda kalaka, SiO2 e ka hare ho > 68%
Boima ba bongata: 1.6g/cm3