He pauka keʻokeʻo iki a melemele māmā paha, ʻono a ʻawahia me ke kaumaha kikoʻī o 6.1 a me ka helu kuhikuhi refractive 2.25. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai, akā hiki ke hoʻoheheʻe ʻia i ka waikawa hydrochloric a me ka waikawa nitric. Huli ia i ka hina a me ka ʻeleʻele ma 200 ℃ huli ia i ka melemele ma 450 ℃, a he maikaʻi kona deductibility. He antioxidant ia he hana maikaʻi loa ia o ke kū'ē ʻana i ka kukuna ultraviolet anu a me ka ʻelemakule.
