Mineralogy Database

Mosesite Mineral Data

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General Mosesite Information

Help on Chemical  Formula: Chemical Formula: Hg2N(Cl,SO4,MoO4,CO3)•(H2O)
Help on Composition: Composition: Molecular Weight = 501.74 gm
   Mercury     79.96 %  Hg   83.15 % Hg2O
   Molybdenum   1.91 %  Mo    2.87 % MoO3
   Hydrogen     0.40 %  H     3.59 % H2O
   Carbon       0.24 %  C     0.88 % CO2
   Sulfur       1.92 %  S     4.79 % SO3
   Nitrogen     2.79 %  N     7.57 % N2O3
   Chlorine     3.53 %  Cl    3.53 % Cl
                 -   %   Cl   -0.80 % -O=Cl2   
   Oxygen       9.25 %  O
              ______        ______ 
              100.00 %      105.58 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Hg2NCl0.5(SO4)0.3(MoO4)0.1(CO3)0.1•(H2O)
Help on Environment: Environment: Hg2N+ goups associated with exchangable anions and water molecules in structure.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1910
Help on Locality: Locality: Terlingua, Brewster County,Texas, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Alfred J. Moses (1859-1920), professor of mineralogy, Columbia University who studies the Hg-bearing minerals at Terlingua, Texas, USA.
Help on Name Pronunciation: Name Pronunciation: Mosesite Say MOSESITE
Help on Synonym: Synonym: ICSD 45151
  Millon's base
  PDF 39-388

Mosesite Image

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Comments: Yellow, hoppered crystal of mosesite on matrix.
Location: Terllingua, Brewster County, Texas, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Mosesite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 9.524, Z = 8; V = 863.89 Den(Calc)= 7.71
Help on Crystal System: Crystal System: Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: F43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.74(1), 2.86(0.8), 1.68(0.7),

Physical Properties of Mosesite

Help on Cleavage: Cleavage: {111} Indistinct
Help on Color: Color: Yellow, Light green, Olive green.
Help on Density: Density: 7.72
Help on Diaphaneity: Diaphaneity: Translucent to subtranslucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Cubic Crystals - Occurs as cubic shaped crystals.
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Adamantine
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: light yellow

Optical Properties of Mosesite

Help on Optical Data: Optical Data: Isotropic, n=2.06.

Calculated Properties of Mosesite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.46 gm/cc
note: Specific Gravity of Mosesite =7.71 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.27
Boson Index = 0.73
Help on Photoelectric: Photoelectric: PEMosesite =1,353.97 barns/electron
U=PEMosesite x rElectron Density=8,750.90 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mosesite is Not Radioactive

Mosesite Classification

Help on  Dana Class: Dana Class: (29)Hydrated Acid and Sulfates
  (29.03)where (A+)2 B (XO4)2 � x(H2O)
  (29.03.08)Dana Group Mosesite Hg2N(Cl,SO4,MoO4,CO3)•(H2O) F43m 4 3m
Help on  Strunz Class: Strunz Class: 03.DD.30 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DD -With Hg
03.DD.30 Gianellaite Hg4(SO4)N2 F43m 4 3m
03.DD.30 Mosesite Hg2N(Cl,SO4,MoO4,CO3)•(H2O) F43m 4 3m

Other Mosesite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana)
Help on See Also: See Also: Links to other databases for Mosesite :
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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Dana No: Strunz No: 03.DD.30





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