Moorhouseite

Moorhouseite
Moorhouseite
General
Category	Sulfate mineral
Formula; (repeating unit)	CoSO4•6H2O
IMA symbol	Mh
Strunz classification	7.CB.25
Crystal system	Monoclinic
Crystal class	Prismatic (2/m) ; (same H-M symbol)
Space group	C2/c
Unit cell	a = 10.03, b = 7.23, ; c = 24.26 [Å], β=98.37o (approximated); Z = 8
Identification
Color	Pink
Crystal habit	granular; in crusts and efflorescences
Fracture	Conchoidal
Mohs scale hardness	2.5
Luster	Vitreous
Streak	White
Density	1.97-2.02 (measured)
Common impurities	Ni, Mn, Cu, Fe
References

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 . It occurs together with moorhouseite within efflorescences found in the Magnet Cove Barium Corporation mine in Walton, Nova Scotia, Canada.^[6]^[7]

Notes on chemistry[]

Relatively high amounts of nickel and manganese were reported, with trace amounts of copper and iron.^[8]

Crystal structure[]

Analysis of synthetic analogue of moorhouseite revealed, that its structure may be described as containing:^[9]

Co(H₂O)₆ octahedra, forming alternate layers
SO₄ tetrahedra
hydrogen bonds (two per a single water molecule)

References[]

^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85: 291–320.
^ Mineralienatlas
^ Jambor, J.L., and Boyle, R.W., 1984. Moorhouseite and aplowite, new cobalt minerals from Walton, Nova Scotia. Canadian Mineralogist 8, 166-171
^ "Moorhouseite" (PDF). Handbookofmineralogy.org. Retrieved 2016-03-10.
^ "Moorhouseite: Moorhouseite mineral information and data". Mindat.org. Retrieved 2016-03-03.
^ Jambor, J.L., and Boyle, R.W., 1984. Moorhouseite and aplowite, new cobalt minerals from Walton, Nova Scotia. Canadian Mineralogist 8, 166-171
^ "Moorhouseite: Moorhouseite mineral information and data". Mindat.org. Retrieved 2016-03-03.
^ Jambor, J.L., and Boyle, R.W., 1984. Moorhouseite and aplowite, new cobalt minerals from Walton, Nova Scotia. Canadian Mineralogist 8, 166-171
^ Elerman, Y., 1988. Refinement of the crystal structure of CoSO₄^.6H₂O. Acta Crystallographica C44, 599-601

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[1] Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85: 291–320.

[2] Mineralienatlas

[3] Jambor, J.L., and Boyle, R.W., 1984. Moorhouseite and aplowite, new cobalt minerals from Walton, Nova Scotia. Canadian Mineralogist 8, 166-171

[4] "Moorhouseite" (PDF). Handbookofmineralogy.org. Retrieved 2016-03-10.

[5] "Moorhouseite: Moorhouseite mineral information and data". Mindat.org. Retrieved 2016-03-03.

[6] Jambor, J.L., and Boyle, R.W., 1984. Moorhouseite and aplowite, new cobalt minerals from Walton, Nova Scotia. Canadian Mineralogist 8, 166-171

[7] "Moorhouseite: Moorhouseite mineral information and data". Mindat.org. Retrieved 2016-03-03.

[8] Jambor, J.L., and Boyle, R.W., 1984. Moorhouseite and aplowite, new cobalt minerals from Walton, Nova Scotia. Canadian Mineralogist 8, 166-171

[9] Elerman, Y., 1988. Refinement of the crystal structure of CoSO₄^.6H₂O. Acta Crystallographica C44, 599-601

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