Hupfu huchena kana hweyero yakapfava, hunotapira uye hune chepfu hune simba re6.1 uye refractive index 2.25. Hahunyungudike mumvura, asi hunogona kunyungudika muhydrochloric acid ne nitric acid. Hunoshanduka kuita grey & dema pa200℃ hunoshanduka kuita yero pa450℃, uye hunogona kubviswa zvakanaka. Hune antioxidant, hunogona kuramba ultraviolet ray nekukwegura.