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Schallerite Mineral Data |
General Schallerite Information |
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Mn++16[As+++O2OH][Si12O30](OH)14 | |
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Molecular Weight = 2,305.90 gm | |
Manganese 38.12 % Mn 49.22 % MnO | ||
Silicon 14.62 % Si 31.27 % SiO2 | ||
Arsenic 9.75 % As 12.87 % As2O3 | ||
Hydrogen 0.74 % H 6.64 % H2O | ||
Oxygen 36.77 % O | ||
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100.00 % 100.00 % = TOTAL OXIDE | ||
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Mn2+16As3Si12O36(OH)17 | |
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Metamorphosed zinc deposit. Dimorphous with nelenite. | |
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Valid Species (Pre-IMA) 1925 | |
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700 ft level, Franklin mine, Franklin, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data. | |
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Named for Wakdemar Theodore Shaller ((1852-1967), mineralogist, U. S. Geological Survey. | |
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Schallerite + Pronunciation ![]() |
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Schallerite Crystallography |
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a:c = 1:1.06567 | |
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a = 13.4, c = 14.28, Z = 2; V = 2,220.59 Den(Calc)= 3.45 | |
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Trigonal - Ditrigonal Pyramidal H-M Symbol (3m) Space Group: P 3m1 ? | |
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By Intensity(I/Io): 1.688(1), 1.511(0.6), 2.673(0.6), | |
Physical Properties of Schallerite |
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{0001} Good | |
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Light brown, Reddish brown. | |
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3.37 | |
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Translucent | |
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Massive - Uniformly indistinguishable crystals forming large masses. | |
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4.5-5 - Near Apatite | |
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Non-fluorescent. | |
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Vitreous - Waxy | |
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Nonmagnetic | |
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light brown | |
Optical Properties of Schallerite |
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CI meas= 0.045 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.067 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2004,KPDmeas= 0.2052,KC= 0.2148 Ncalc = 1.72 - 1.74 |
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Uniaxial (-), e=1.679, w=1.704, bire=0.0250. | |
Calculated Properties of Schallerite |
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Bulk Density (Electron Density)=3.24 gm/cc note: Specific Gravity of Schallerite =3.37 gm/cc. |
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Fermion Index = 0.0070032047 Boson Index = 0.9929967953 |
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PESchallerite = 16.95 barns/electron U=PESchallerite x rElectron Density= 54.89 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Schallerite is Not Radioactive |
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Schallerite Classification |
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72.04.01a.03 (72)Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings | |
(72.04)with 4-, 6-, and 12-membered rings | ||
(72.04.01a)Pyrosmalite group (Pyrosmalite subgroup) | ||
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09.EE.15 09 - SILICATES (Germanates) | |
09.E - Phyllosilicates | ||
09.EE -Single tetrahedral nets of 6-membered rings | ||
Other Schallerite Information |
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NAME( Ford32) PHYS. PROP.(Dana8) OPTIC PROP.(Ford32) | |
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Links to other databases for Schallerite : 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 Search for Schallerite using: Visit our Advertisers for Schallerite : Ask about Schallerite here : Print or Cut-and-Paste your Schallerite Specimen Label here :
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