Arsenolamprite Mineral Data (original) (raw)
General Arsenolamprite Information
Chemical Formula:
As
Composition:
Molecular Weight = 74.92 gm
Arsenic 100.00 % As
______
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
PDF 30-100
Arsenolamprite Image
Images:
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
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 - DipyramidalH-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),
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
| | Wyckoff R W G , Crystal Structures , 1 (1963) p.239-444, Second edition. Interscience Publishers, New York, New York | | ----------------------------------------------------------------------------------------------------------------------- |
Physical Properties of Arsenolamprite
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
Optical Properties of Arsenolamprite
RL Anisotrophism:
Weak.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Arsenolamprite in Air
| λ | R1 | R 2 |  |
∑ 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 |  |
Calculated Relative Intensity Colors of Arsenolamprite in Air
| RelativeIntensity | 0% | 30% | 60% | 90% | 100% | 120% | 150% | 180% | 210% |
|---|---|---|---|---|---|---|---|---|---|
| R1 | |||||||||
| R2 |
Calculated Properties of Arsenolamprite
Electron Density:
Bulk Density (Electron Density)=4.95 gm/cc
note: Specific Gravity of Arsenolamprite =5.62 gm/cc.
Fermion Index:
Fermion Index = 0
Boson Index = 1
Photoelectric:
PEArsenolamprite = 73.21 barns/electron
U=PEArsenolamprite x rElectron Density= 362.46 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arsenolamprite is Not Radioactive
Arsenolamprite Classification
Dana Class:
01.03.02.01 (01)Native Elements
(01.03)with semi-metallic and non-metallic elements
(01.03.02)Dana Group
01.03.02.01 Arsenolamprite As Bmab 2/m 2/m 2/m
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)
01.C - Metalloids and Nonmetals
01.CA -Arsenic group elements
01.CA.10 Arsenolamprite As Bmab 2/m 2/m 2/m
01.CA.10 Pararsenolamprite! As Pmn2 or P 21nm Ortho
Other Arsenolamprite Information
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: