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Arsenolamprite Mineral Data
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General Arsenolamprite Information
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 Chemical Formula: |
As |
| Composition: |
Molecular Weight = 74.92 gm |
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Arsenic 100.00 % As |
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______ |
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100.00 % |
| Empirical Formula: |
As |
| Environment: |
Trimorphous with arsenic and pararsenolimprite. |
| IMA Status: |
Valid Species (Pre-IMA) 1886 |
| Locality: |
Marienberg, Saxony, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the composition and the Greek for brilliance, in allusion to its luster. |
| Name Pronunciation: |
Arsenolamprite + Pronunciation  |
| Synonym: |
ICSD 70100 |
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PDF 30-100 |
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Arsenolamprite Image |
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Images:
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Images:
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Arsenolamprite
Comments: REM (Raster Electron Microscope) image of well cristallized arsenolamprite fragments.
Location: Mine dump near shaft 371, Hartenstein, Germany.
Scale: See Image.
© Thomas Schlothauer |
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Images:
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Arsenolamprite
Comments: Vein of arsenolamprite in matrix.
Location: Mine dump near shaft 371, Hartenstein, Germany.
Scale: See Image.
© Thomas Schlothauer |
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Arsenolamprite Crystallography
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| Axial Ratios: |
a:b:c =0.8157:1:2.4629 |
| Cell Dimensions: |
a = 3.63, b = 4.45, c = 10.96, Z = 8; V = 177.04 Den(Calc)= 5.62 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Bmab |
| X Ray Diffraction: |
By Intensity(I/Io): 1.12(1), 2.72(1), 5.44(1), |
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Physical Properties of Arsenolamprite
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| Cleavage: |
{???} Perfect |
| Color: |
Dark gray. |
| Density: |
5.3 - 5.58, Average = 5.44 |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
| Habit: |
Acicular - Occurs as needle-like crystals. |
| Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
| Hardness: |
2 - Gypsum |
| Luster: |
Metallic |
| Streak: |
black |
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Optical Properties of Arsenolamprite
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| RL Anisotrophism: |
Weak. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Arsenolamprite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 420 nm |
42.80 |
56.80 |
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| 440 nm |
43.60 |
55.40 |
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| 460 nm |
44.30 |
54.00 |
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| 480 nm |
44.70 |
52.80 |
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| 500 nm |
44.80 |
51.60 |
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| 520 nm |
44.60 |
50.50 |
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| 540 nm |
44.00 |
49.60 |
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| 560 nm |
43.10 |
48.70 |
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| 580 nm |
42.70 |
48.00 |
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| 600 nm |
42.60 |
47.40 |
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| 620 nm |
42.70 |
46.80 |
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| 640 nm |
43.00 |
46.30 |
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| 660 nm |
43.40 |
45.80 |
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| 680 nm |
43.80 |
45.50 |
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| 700 nm |
44.40 |
45.00 |
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Calculated Relative Intensity Colors of Arsenolamprite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
| R1 |
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| R2 |
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Calculated Properties of Arsenolamprite
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| Electron Density: |
Bulk Density (Electron Density)=4.95 gm/cc
note: Specific Gravity of Arsenolamprite =5.62 gm/cc.
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| Fermion Index: |
Fermion Index = 0
Boson Index = 1 |
| Photoelectric: |
PEArsenolamprite = 73.21 barns/electron
U=PEArsenolamprite x rElectron Density= 362.46 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arsenolamprite is Not Radioactive |
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Arsenolamprite Classification
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| Dana Class: |
01.03.02.01 (01)Native Elements |
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(01.03)with semi-metallic and non-metallic elements |
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(01.03.02)Dana Group |
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01.03.02.01 Arsenolamprite As Bmab 2/m 2/m 2/m |
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01.03.02.02 Pararsenolamprite! As Pmn2 or P 21nm Ortho |
| Strunz Class: |
01.CA.10 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.C - Metalloids and Nonmetals |
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01.CA -Arsenic group elements |
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01.CA.10 Arsenolamprite As Bmab 2/m 2/m 2/m |
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01.CA.10 Pararsenolamprite! As Pmn2 or P 21nm Ortho |
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Other Arsenolamprite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Arsenolamprite :
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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Arsenolamprite
As
Dana No: 01.03.02.01 Strunz No: 01.CA.10
Locality:
Notes:
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