General Sclarite Information Chemical Formula: |
(Zn,Mg,Mn++)4Zn3(CO3)2(OH)10 |
Composition: |
Molecular Weight = 694.34 gm |
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Magnesium 4.20 % Mg 6.97 % MgO |
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Manganese 3.16 % Mn 4.09 % MnO |
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Zinc 50.85 % Zn 63.30 % ZnO |
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Hydrogen 1.45 % H 12.97 % H2O |
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Carbon 3.46 % C 12.68 % CO2 |
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Oxygen 36.87 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Zn2.4Mg1.2Mn2+0.4Zn3(CO3)2(OH)10 |
Environment: |
On a museum specimen, in a veinlet possibly of hydrothermal origin, from a metamorphosed stratiform zinc orebody. |
IMA Status: |
Approved IMA 1989 |
Locality: |
Franklin, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for Charles Bertram Sclar (1925-2001), Geology Department, Lehigh University, Bethlehem, Pennsylvania, USA |
Name Pronunciation: |
Sclarite |
Synonym: |
ICSD 203157 |
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PDF 46-1270 |
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Images:
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| | Sclarite Crystallography Axial Ratios: |
a:b:c =2.9657:1:2.7689 |
Cell Dimensions: |
a = 16.11, b = 5.432, c = 15.041, Z = 4; beta = 95.49° V = 1,310.19 Den(Calc)= 3.52 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: A2/a |
X Ray Diffraction: |
By Intensity(I/Io): 7.5(1), 2.621(0.5), 3.63(0.5), |
Crystal Structure:
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Mouse
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| Physical Properties of Sclarite Cleavage: |
None |
Color: |
Colorless. |
Density: |
3.51 |
Diaphaneity: |
Transparent |
Hardness: |
3-4 - Calcite-Fluorite |
Luster: |
Vitreous (Glassy) |
Streak: |
white |
| Optical Properties of Sclarite 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 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 Electron Density: |
Bulk Density (Electron Density)=3.40 gm/cc |
note: Specific Gravity of Sclarite =3.51 gm/cc. Fermion Index: |
Fermion Index = 0.02 |
Boson Index = 0.98 Photoelectric: |
PESclarite = 26.08 barns/electron |
U=PESclarite x rElectron Density= 88.69 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Sclarite is Not Radioactive | Sclarite Classification Dana Class: |
16a.05.03.02 (16a)Carbonates - Hydroxyl or Halogen |
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(16a.05)with miscellaneous formulae |
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(16a.05.03)Dana Group |
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Strunz Class: |
05.BA.30 05 - CARBONATES (NITRATES) |
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05.B - Carbonates with additional anions, without H2O |
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05.BA -With Cu, Co, Ni, Zn, Mg, Mn |
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| Other Sclarite Information References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.74,p1355-1359,1989) OPTIC PROP.(Am.Min.,Vol.74,p1355-1359,1989) |
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 - GeoScienceWorld 7 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - Handbook of Mineralogy (UofA) 11 - MinDAT 12 - Mineralienatlas (Deutsch) 13 - Online Mineral Museum 14 - QUT Mineral Atlas 15 - Ruff.Info 16 - WWW-MINCRYST Search for Sclarite using: Visit our Advertisers for Sclarite : A Bijoux Google Search for SclariteAdam's Minerals Google Search for Sclarite Cape Minerals Google Search for Sclarite Dakota Matrix Minerals Google Search for Sclarite Excalibur Mineral Corp. Google Search for Sclarite Exceptional Minerals Google Search for Sclarite John Betts Fine Minerals Search for Sclarite McDougall Minerals Google Search for Sclarite Mineral News Website Link Rock and Mineral Shows Google Search for Sclarite Weinrich Minerals, Inc. Google Search for Sclarite Ask about Sclarite here : Print or Cut-and-Paste your Sclarite Specimen Label here :
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