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Yeatmanite Mineral Data |
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Yeatmanite Mineral Data |
General Yeatmanite Information |
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 Chemical Formula: |
Mn++9Zn6Sb+++++2Si4O28 | ||
| Composition: |
Molecular Weight = 1,690.61 gm | ||
| Manganese 29.25 % Mn 37.76 % MnO | |||
| Zinc 23.21 % Zn 28.89 % ZnO | |||
| Silicon 6.65 % Si 14.22 % SiO2 | |||
| Antimony 14.40 % Sb 19.13 % Sb2O5 | |||
| Oxygen 26.50 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Mn2+9Zn6Sb2Si4O28 | ||
| Environment: |
Metamorphosed, weathered Zn-Mn deposit. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1938 | ||
| Locality: |
Franklin and Sterling Hill, Sussex County, New Jersey, USA. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Pope Yeatman (1861-1953), U. S. Mining engineer. | ||
| Name Pronunciation: |
Yeatmanite + Pronunciation  |
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| Synonym: |
ICSD 40367 | ||
| PDF 35-457 | |||
Yeatmanite Image | |||
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Images:
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Yeatmanite Crystallography |
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| Axial Ratios: |
a:b:c =0.483:1:0.7807 | ||
| Cell Dimensions: |
a = 5.604, b = 11.602, c = 9.058, Z = 1; alpha = 92.167°, beta = 100.9°, gamma = 77.3° V = 563.75 Den(Calc)= 4.98 | ||
| Crystal System: |
Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.969(1), 2.587(0.6), 2.782(0.6), | ||
Physical Properties of Yeatmanite |
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| Cleavage: |
{100} Good | ||
| Color: |
Clove brown. | ||
| Density: |
4.91 - 5.02, Average = 4.96 | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes | ||
| Habit: |
Platy - Sheet forms (e.g. micas). | ||
| Hardness: |
4 - Fluorite | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
pale brown | ||
Optical Properties of Yeatmanite |
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| Gladstone-Dale: |
CI meas= 0 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.003 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1783,KPDmeas= 0.1789,KC= 0.1789 Ncalc = 1.88 - 1.9 |
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| Optical Data: |
Biaxial (-), a=1.864, b=1.895, g=1.905, bire=0.0410, 2V(Calc)=58, 2V(Meas)=52. Dispersion r > v. | ||
Calculated Properties of Yeatmanite |
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| Electron Density: |
Bulk Density (Electron Density)=4.62 gm/cc note: Specific Gravity of Yeatmanite =4.97 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.01 Boson Index = 0.99 |
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| Photoelectric: |
PEYeatmanite = 65.43 barns/electron U=PEYeatmanite x rElectron Density= 302.45 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Yeatmanite is Not Radioactive |
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Yeatmanite Classification |
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| Dana Class: |
44.03.06.01 (44)Antimonates | ||
| (44.03)with miscellaneous formulae | |||
| (44.03.06)Dana Group | |||
| Strunz Class: |
09.AE.45 09 - SILICATES (Germanates) | ||
| 09.A - Nesosilicates | |||
| 09.AE -Nesosilicates with additional (O,OH,F,H2O); | |||
Other Yeatmanite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Yeatmanite : 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 Yeatmanite using: Visit our Advertisers for Yeatmanite : Ask about Yeatmanite here : Print or Cut-and-Paste your Yeatmanite Specimen Label here :
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