Aplowite is a very rare mineral with the formula CoSO₄•4H₂O, a naturally occurring

cobalt(II) sulfate Cobalt(II) sulfate is any of the inorganic compounds with the formula CoSO4(H2O)x. Usually cobalt sulfate refers to the hexa- or heptahydrates CoSO4.6H2O or CoSO4.7H2O, respectively. The heptahydrate is a red solid that is soluble in water and m ...

tetrahydrate. It is the lower hydrate when compared to bieberite (heptahydrate) and

moorhouseite Moorhouseite is a rare mineral with the formula CoSO4•6H2O, a naturally occurring cobalt(II) sulfate hexahydrate. It is the lower-hydrate-equivalent of bieberite (heptahydrate) and aplowite (hexahydrate). It is also hydrated equivalent of cob ...

(hexahydrate), and a higher hydrate when compared to cobaltkieserite (monohydrate). It occurs together with moorhouseite within efflorescences.

References

Sulfate minerals Cobalt minerals Monoclinic minerals Minerals in space group 14 {{sulfate-mineral-stub