It does not fluoresce in long - or short - wave ultraviolet radiation .
Rakovanite is soft with a Mohs hardness of 1 and a calculated density of 2.407 g cm .
Rakovanite does not fluoresce in long - or short - wave ultraviolet radiation .
Rakovanite is soft with a Mohs hardness of 1 and a calculated density of 2.407 g cm .