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Moschelite Mineral Data
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General Moschelite Information
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Chemical Formula: |
Hg+2I2 |
Composition: |
Molecular Weight = 654.99 gm |
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Mercury 61.25 % Hg 63.69 % Hg2O |
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Iodine 38.75 % I 38.75 % I |
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- %
I -2.44 % -O=I2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Hg2I2 |
Environment: |
From the mine dumps. |
IMA Status: |
Approved IMA 1989 |
Locality: |
Backofen mine, Moschel landsberg district, Opermoschel, Rhineland Pjalz, Germany. Link to MinDat.org Location Data. |
Name Origin: |
After the locality. |
Name Pronunciation: |
Moschelite + Pronunciation |
Synonym: |
ICSD 35543 |
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PDF 6-245 |
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Moschelite Crystallography
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Axial Ratios: |
a:c = 1:2.35772 |
Cell Dimensions: |
a = 4.92, c = 11.6, Z = 2; V = 280.79 Den(Calc)= 7.75 |
Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: I 4/mmm |
X Ray Diffraction: |
By Intensity(I/Io): 3.483(1), 2.231(0.9), 2.896(0.6), |
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Physical Properties of Moschelite
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Cleavage: |
{???} Imperfect |
Color: |
Lemon yellow, Dark olive green. |
Diaphaneity: |
Translucent to Opaque |
Fracture: |
Brittle - Sectile - Brittle fracture with slightly sectile shavings possible. |
Habit: |
Encrustations - Forms crust-like aggregates on matrix. |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Habit: |
Platy - Sheet forms (e.g. micas). |
Hardness: |
1.5-2 - Talc-Gypsum |
Luster: |
Adamantine |
Streak: |
brown |
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Optical Properties of Moschelite
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Optical Data: |
NCalc= 2.39 - from Gladstone-Dale relationship (KC = 0.1797) where Ncalc=Dcalc*KC+1 |
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Calculated Properties of Moschelite
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Electron Density: |
Bulk Density (Electron Density)=6.29 gm/cc note: Specific Gravity of Moschelite =7.75 gm/cc. |
Fermion Index: |
Fermion Index = 0.18 Boson Index = 0.82 |
Photoelectric: |
PEMoschelite =1,227.94 barns/electron U=PEMoschelite x rElectron Density=7,729.61 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Moschelite is Not Radioactive |
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Moschelite Classification
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Dana Class: |
09.01.08.03 (09)Anhydrous and Hydrated Halides |
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(09.01)where A X |
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(09.01.08)Calomel Group |
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09.01.08.01 Calomel Hg2Cl2 I 4/mmm 4/m 2/m 2/m |
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09.01.08.02 Kuzminite Hg2(Br,Cl)2 I 4/mmm 4/m 2/m 2/m |
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09.01.08.03 Moschelite Hg2I2 I 4/mmm 4/m 2/m 2/m |
Strunz Class: |
03.AA.30 03 - HALIDES |
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03.A - Simple Halides, Without H2O |
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03.AA -M:X = 1:1, 2:3, 3:5, etc. |
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03.AA.30 Calomel Hg2Cl2 I 4/mmm 4/m 2/m 2/m |
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03.AA.30 Kuzminite Hg2(Br,Cl)2 I 4/mmm 4/m 2/m 2/m |
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03.AA.30 Moschelite Hg2I2 I 4/mmm 4/m 2/m 2/m |
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Other Moschelite Information
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References: |
NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.75,p1211,1990) |
See Also: |
Links to other databases for Moschelite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Moschelite Specimen Label here :
Moschelite
Hg+2I2
Dana No: 09.01.08.03 Strunz No: 03.AA.30
Locality:
Notes:
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