Sclarite Mineral Data

Sclarite Mineral Data
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General Sclarite Information

Help on Chemical Formula: Chemical Formula: (Zn,Mg,Mn++)4Zn3(CO3)2(OH)10
Help on Composition: Composition: Molecular Weight = 694.34 gm
   Magnesium   4.20 %  Mg    6.97 % MgO
   Manganese   3.16 %  Mn    4.09 % MnO
   Zinc       50.85 %  Zn   63.30 % ZnO
   Hydrogen    1.45 %  H    12.97 % H2O
   Carbon      3.46 %  C    12.68 % CO2
   Oxygen     36.87 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn2.4Mg1.2Mn2+0.4Zn3(CO3)2(OH)10
Help on Environment: Environment: On a museum specimen, in a veinlet possibly of hydrothermal origin, from a metamorphosed stratiform zinc orebody.
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Franklin, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Charles Bertram Sclar (1925-2001), Geology Department, Lehigh University, Bethlehem, Pennsylvania, USA
Help on Name Pronunciation: Name Pronunciation: Sclarite Say SCLARITE
Help on Synonym: Synonym: ICSD 203157
  PDF 46-1270
 

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Sclarite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.9657:1:2.7689
Help on Cell Dimensions: Cell Dimensions: a = 16.11, b = 5.432, c = 15.041, Z = 4; beta = 95.49° V = 1,310.19 Den(Calc)= 3.52
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): 7.5(1), 2.621(0.5), 3.63(0.5),
Click Here for Large Sclarite Structure Window Crystal Structure:

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Grice J D , Dunn P J , American Mineralogist , 74 (1989) p.1355-1359, Sclarite, a new mineral from Franklin, New Jersey, with essential octahedrally, and tetrahedrally coordinated zinc: Description and structure refinement

 

Physical Properties of Sclarite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless.
Help on Density: Density: 3.51
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Sclarite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.011 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1907,KPDmeas= 0.1913,KC= 0.1928
Ncalc = 1.68
Help on Optical Data: Optical Data: Biaxial (+), a=1.648, b=1.664, g=1.702, bire=0.0540, 2V(Calc)=68, 2V(Meas)=63.4-67.
 

Calculated Properties of Sclarite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.40 gm/cc
note: Specific Gravity of Sclarite =3.51 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PESclarite = 26.08 barns/electron
U=PESclarite x rElectron Density= 88.69 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sclarite is Not Radioactive
 

Sclarite Classification
Help on Dana Class: Dana Class: 16a.05.03.02 (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 Sclarite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.74,p1355-1359,1989) OPTIC PROP.(Am.Min.,Vol.74,p1355-1359,1989)
Help on See Also: See Also: Links to other databases for Sclarite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - MinMax(Deutsch)
12 - MinMax(English)
13 - Mineralienatlas (Deutsch)
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST

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

Sclarite

(Zn,Mg,Mn++)4Zn3(CO3)2(OH)10
Dana No: 16a.05.03.02 Strunz No: 05.BA.30
Locality:

 

Notes: