Mooreite Mineral Data

Mooreite Mineral Data +

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General Mooreite Information

Chemical Formula:

(Mg,Zn,Mn)15(SO4)2(OH)26·8(H2O)

Composition:

Molecular Weight = 1,373.85 gm

Magnesium 15.92 % Mg 26.40 % MgO

Manganese 6.00 % Mn 7.75 % MnO

Zinc 21.42 % Zn 26.66 % ZnO

Hydrogen 3.08 % H 27.54 % H₂O

Sulfur 4.67 % S 11.66 % SO₃

Oxygen 48.91 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mg₉Zn_4.5Mn²⁺_1.5(SO₄)₂(OH)₂₆·8(H₂O)

Environment:

Secondary mineral in zinc orebody.

IMA Status:

Valid Species (Pre-IMA) 1929

Locality:

Sterling Hill mine, Ogdensburg, New Jersey, USA. Link to MinDat.org Location Data.

Name Origin:

Named for Gideon E. Moore (1842-1895), U.S. Chemist who investigated the Franklin and Sterling Hill, New Jersey ores.

Synonym:

ICSD 14188

PDF 43-696

Mooreite Image

Images:

Mooreite

Comments: Translucent, wedge-shaped crystals of mooreite on matrix.
Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Mooreite Crystallography

Axial Ratios:

a:b:c =0.5477:1:0.403

Cell Dimensions:

a = 11.147, b = 20.35, c = 8.202, Z = 2; beta = 92.69° V = 1,858.50 Den(Calc)= 2.45

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/a

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

By Intensity(I/I_o): 5.14(1), 10.37(1), 8.29(0.9),

Forms:

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Forms: [ 1 1 1] [ 0 1 0] [ 1 0 1] [ 1 0 1] [ 1 0 0] [ 0 0 1]

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Crystal Structure:

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Hill R J , Acta Crystallographica, Section B , 36 (1980) p.1304-1311, The structure of mooreite, Locality: Sterling Hill, New Jersey, USA, Note: Isotropic and anisotropic displacement factors taken from ICSD

Physical Properties of Mooreite

Cleavage:

[010] Perfect

Color:

Colorless, White.

Density:

2.47

Diaphaniety:

Transparent to translucent

Habit:

Platy - Sheet forms (e.g. micas).

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

3 - Calcite

Luminescence:

Non-fluorescent.

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Mooreite

Gladstone-Dale:

CI meas= 0.023 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.015 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2211,KPDmeas= 0.2193,KC= 0.2244

Optical Data:

Biaxial (-), a=1.533, b=1.545, g=1.547, bire=0.0140, 2V(Calc)=44, 2V(Meas)=50. Dispersion r > v perceptible.

Calculated Properties of Mooreite

Electron Density:

r_electron=2.46 gm/cc
note: r_Mooreite=2.45 gm/cc.

Fermion Index

Fermion Index = 0.02529
Boson Index = 0.97471

Photoelectric:

PE_Mooreite= 12.39 barns/electron
U=PE_Mooreite x r_electron= 30.51 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Mooreite is Not Radioactive

Mooreite Classification

Dana Class:

31.1.3.1 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.1)where (A+ B++)m (XO4)p Zq·x(H2O), where m:p>6:1

(31.1.3)Dana Group

31.1.3.1 Mooreite (Mg,Zn,Mn)15(SO4)2(OH)26·8(H2O) P 2₁/a 2/m

Strunz Class:

VI/D.04-10 VI - Sulfates,Chromates,Molybdates and Tungstates

VI/D - Water-bearing sulfates with unfamiliar anions. cations of medium size

VI/D.04 - Mooreite - Hauckite series

VI/D.04-10 Mooreite (Mg,Zn,Mn)15(SO4)2(OH)26·8(H2O) P 2₁/a 2/m

VI/D.04-20 Torreyite (Mg,Mn)9Zn4(SO4)2(OH)22·8(H2O) P 2₁/a 2/m

VI/D.04-30 Lawsonbauerite (Mn,Mg)9Zn4(SO4)2(OH)22·8(H2O) P 2₁/c 2/m

VI/D.04-50 Hauckite (Mg,Mn)24Zn18Fe3(SO4)4(CO3)2(OH)81(?) P 6/mmm 6/m 2/m 2/m

Other Mooreite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)

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

Mooreite

(Mg,Zn,Mn)15(SO4)2(OH)26·8(H2O)
Dana No: 31.1.3.1 Strunz No: VI/D.04-10
Locality:

Notes: