Loseyite Mineral Data

Loseyite Mineral Data
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General Loseyite Information

Help on Chemical Formula: Chemical Formula: (Mn,Zn)7(CO3)2(OH)10
Help on Composition: Composition: Molecular Weight = 692.95 gm
   Manganese  41.62 %  Mn   53.74 % MnO
   Zinc       16.51 %  Zn   20.55 % ZnO
   Hydrogen    1.45 %  H    13.00 % H2O
   Carbon      3.47 %  C    12.70 % CO2
   Oxygen     36.94 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: 7(Mn2+0.75)7(Zn0.25)(CO3)2(OH)10
Help on Environment: Environment: Secondary mineral in zinc and manganese deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1929
Help on Locality: Locality: Franklin, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Samuel R. Losey (1830-1904), mineral collector of Franklin, New Jersey, USA.
Help on Name Pronunciation: Name Pronunciation: Loseyite Say LOSEYITE
Help on Synonym: Synonym: ICSD 15553
  PDF 17-206
 

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Loseyite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.9455:1:2.7132
Help on Cell Dimensions: Cell Dimensions: a = 16.23, b = 5.51, c = 14.95, Z = 4; beta = 95.4° V = 1,331.00 Den(Calc)= 3.46
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: A2/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.63(1), 3.68(1), 3.8(0.9),
Help on Forms: Forms:

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Forms: ( 1 3 6) ( 1 3 0) ( 1 0 1) ( 0 0 1)

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Hill R J , Acta Crystallographica, Section B , 37 (1981) p.1323-1328, The structure of loseyite, Locality: Franklin, New Jersey, Note: AnisoU s from ICSD

 

Physical Properties of Loseyite

Help on Cleavage: Cleavage: None
Help on Color: Color: Bluish white, Brownish, Brownish white.
Help on Density: Density: 3.27
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Hardness: Hardness: 3 - Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white
 

Optical Properties of Loseyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.045 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.098 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1889,KPDmeas= 0.1999,KC= 0.2094
Ncalc = 1.68 - 1.72
Help on Optical Data: Optical Data: Biaxial (+), a=1.637, b=1.648, g=1.676, bire=0.0390, 2V(Calc)=66, 2V(Meas)=64. Dispersion relatively weak.
 

Calculated Properties of Loseyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.15 gm/cc
note: Specific Gravity of Loseyite =3.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0073315083
Boson Index = 0.9926684917
Help on Photoelectric: Photoelectric: PELoseyite = 18.95 barns/electron
U=PELoseyite x rElectron Density= 59.68 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Loseyite is Not Radioactive
 

Loseyite Classification
Help on Dana Class: Dana Class: 16a.05.03.01 (16a)Carbonates - Hydroxyl or Halogen
  (16a.05)with miscellaneous formulae
  (16a.05.03)Dana Group
 
16a.05.03.01 Loseyite (Mn,Zn)7(CO3)2(OH)10 A2/a 2/m
 
16a.05.03.02 Sclarite (Zn,Mg,Mn)4Zn3(CO3)2(OH)10 A2/a 2/m
Help on Strunz Class: Strunz Class: 05.BA.30 05 - CARBONATES (NITRATES)
  05.B - Carbonates with additional anions, without H2O
  05.BA -With Cu, Co, Ni, Zn, Mg, Mn
 
05.BA.30 Loseyite (Mn,Zn)7(CO3)2(OH)10 A2/a 2/m
 
05.BA.30 Sclarite (Zn,Mg,Mn)4Zn3(CO3)2(OH)10 A2/a 2/m
 

Other Loseyite Information
Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Loseyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - Franklin Minerals(Palache)
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

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Loseyite

(Mn,Zn)7(CO3)2(OH)10
Dana No: 16a.05.03.01 Strunz No: 05.BA.30
Locality:

 

Notes: