guanajuatite

guanajuatite

[‚gwän·ə′hwä‚tīt]
(mineralogy)
Bi2Se3 Bluish-gray mineral composed of bismuth selenide, occurring in crystals or masses.
References in periodicals archive ?
The principal minerals found are argentite, aguilarite, naumanite, and guanajuatite, and it has been shown that contaminants such as arsenic, selenium, and antimony decrease with depth; thus minerals such as pyrargyrite and proustite also become rarer as mining goes deeper into the Earth.