Blodite also forms as an efflorescence on cave and mine walls. Crystals of blodite are scarce, but well formed crystals can show an intricate, multi-facetted, monoclinic form. Specimens of blodite should be stored in a sealed container as they can dry out and crumble. Color is white, colorless, gray, yellow. Luster is vitreous.
Specimens are translucent to transparent.
Crystal Habits include granular, earthy and encrusting masses. Individual intricate, multi-facetted, prismatic crystals are uncommon. Hardness is 2.5 - 3. Streak is white. Associated Minerals include halite , epsomite , alunite , thernardite , trona , sylvite and other more rare evaporite minerals.