Moorhouseite Mineral Data

General Moorhouseite Information

Chemical Formula:

(Co,Ni,Mn)SO4•6(H2O)

Composition:

Molecular Weight = 262.62 gm

Manganese 2.09 % Mn 2.70 % MnO

Cobalt 13.46 % Co 17.12 % CoO

Nickel 6.70 % Ni 8.53 % NiO

Hydrogen 4.61 % H 41.16 % H₂O

Sulfur 12.21 % S 30.49 % SO₃

Oxygen 60.92 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Co_0.6Ni_0.3Mn²⁺_0.1(SO₄)•6(H₂O)

Environment:

Efflorescences with sulfides (probably cobaltian and nickelian pyrite) on siderite�barite matrix from a hydrothermal Pb-Zn-Cu orebody associated with a large barite deposit.

IMA Status:

Approved IMA 1965

Locality:

Magnet Cove barite mine, four km southwest of Walton, Nova Scotia, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for Walter Wilson Moorhouse (1913-1969), Canadian Professor of Geology, University of Toronto, Toronto, Canada.

Name Pronunciation:

Moorhouseite + Pronunciation

Synonym:

IMA1963-008

Moorhouseite Image

Images:

Moorhouseite

Comments: Pink crystalline moorhouseite in sandstone.
Location: Cameron, Coconino County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Moorhouseite Crystallography

Axial Ratios:

a:b:c =1.3878:1:3.3591

Cell Dimensions:

a = 10.04, b = 7.234, c = 24.3, Z = 8; beta = 98.34° V = 1,746.23 Den(Calc)= 2.00

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 4.38(1), 4.02(0.55), 5.45(0.3),

Physical Properties of Moorhouseite

Cleavage:

{???} Indistinct

Color:

Pink.

Density:

1.97

Diaphaneity:

Transparent to Translucent

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Hardness:

2.5 - Finger Nail

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Moorhouseite

Gladstone-Dale:

CI meas= -0.012 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.004 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.244,KPDmeas= 0.2477,KC= 0.2449
Ncalc = 1.48 - 1.49

Optical Data:

Biaxial (-), a=1.47, b=1.497, g=1.497, bire=0.0270

Calculated Properties of Moorhouseite

Electron Density:

Bulk Density (Electron Density)=2.06 gm/cc
note: Specific Gravity of Moorhouseite =2.00 gm/cc.

Fermion Index:

Fermion Index = 0.0019727111
Boson Index = 0.9980272889

Photoelectric:

PE_Moorhouseite= 8.19 barns/electron
U=PE_Moorhouseite x rElectron Density= 16.84 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Moorhouseite is Not Radioactive

Moorhouseite Classification

Dana Class:

29.06.08.05 (29)Hydrated Acid and Sulfates

(29.06)where A XO4 � x(H2O)

(29.06.08)Hexahydrite Group (Space Group: C2/c)

29.06.08.01 Hexahydrite MgSO4•6(H2O) A2/a 2/m

29.06.08.02 Bianchite (Zn,Fe)(SO4)•6(H2O) C 2/c 2/m

29.06.08.03 Ferrohexahydrite FeSO4•6(H2O) C 2/c 2/m

29.06.08.04 Nickelhexahydrite (Ni,Mg,Fe)(SO4)•6(H2O) C 2/c 2/m

29.06.08.05 Moorhouseite (Co,Ni,Mn)SO4•6(H2O) C 2/c 2/m

29.06.08.06 Chvaleticeite (Mn,Mg)SO4•6(H2O) C 2/c 2/m

Strunz Class:

07.CB.25 07 - SULFATES (SELENATES, TELLURATES)

07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O

07.CB -With only medium-sized cations

07.CB.25 Bianchite (Zn,Fe)(SO4)•6(H2O) C 2/c 2/m

07.CB.25 Ferrohexahydrite FeSO4•6(H2O) C 2/c 2/m

07.CB.25 Chvaleticeite (Mn,Mg)SO4•6(H2O) C 2/c 2/m

07.CB.25 Hexahydrite MgSO4•6(H2O) A2/a 2/m

07.CB.25 Moorhouseite (Co,Ni,Mn)SO4•6(H2O) C 2/c 2/m

07.CB.25 Nickelhexahydrite (Ni,Mg,Fe)(SO4)•6(H2O) C 2/c 2/m

Other Moorhouseite Information

References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Moorhouseite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Moorhouseite Specimen Label here :

Moorhouseite

(Co,Ni,Mn)SO4•6(H2O)
Dana No: 29.06.08.05 Strunz No: 07.CB.25
Locality:

Notes:

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