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Andreyivanovite Mineral Data
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General Andreyivanovite Information
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 Chemical Formula: |
FeCrP |
| Composition: |
Molecular Weight = 138.79 gm |
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Titanium 2.79 % Ti |
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Vanadium 4.00 % V |
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Chromium 21.99 % Cr |
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Iron 46.27 % Fe |
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Cobalt 0.08 % Co |
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Nickel 2.54 % Ni |
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Phosphorus 22.32 % P |
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______ |
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100.00 % |
| Empirical Formula: |
Fe0+Cr0.58Fe0+0.15V0+0.1Ti0.08Ni0.06Co0.002P |
| Environment: |
Interstital inclusions in serpentine grains. Cr-dominant analogue of florenskyite. |
| IMA Status: |
Approved IMA 2006 (Dana # Added) |
| Locality: |
Kaidun meteorite (South Yemen). Link to MinDat.org Location Data. |
| Name Origin: |
Named for Andrey Ivanov (b. 1937), Russian geochemist and mineralogist, who was one of the principal investigators for the Luna missions. |
| Synonym: |
IMA2006-003 |
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Andreyivanovite Image |
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Images:
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Andreyivanovite
Comments: BSE image of serpentine (gray) grain containing curvilinear arrays of andreyivanovite crystals (A) and associated florenskyite (F) lath. AmMin v93, p1296.
Location: Kaidun meteorite (South Yemen).
Scale: Scale Bar 20 µm.
© American Mineralogist |
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Andreyivanovite Crystallography
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| Axial Ratios: |
a:b:c =1.6343:1:1.8655 |
| Cell Dimensions: |
a = 5.833, b = 3.569, c = 6.658, Z = 4; V = 138.61 Den(Calc)= 6.65 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma |
| X Ray Diffraction: |
By Intensity(I/Io): 2.217(1), 2.139(0.81), 2.258(0.46),1.785(0.43), 1.885(0.34), 1.866(0.31), 2.074(0.31), 1.298(0.22), |
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Physical Properties of Andreyivanovite
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| Cleavage: |
Unknown, Unknown, Unknown |
| Color: |
Creamy white. |
| Diaphaneity: |
Opaque |
| Habit: |
Inclusions - Generally found as inclusions in other minerals. |
| Luster: |
Metallic |
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Optical Properties of Andreyivanovite
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| RL Color: |
Creamy white. |
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Calculated Properties of Andreyivanovite
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| Electron Density: |
Bulk Density (Electron Density)=6.23 gm/cc
note: Specific Gravity of Andreyivanovite =6.65 gm/cc.
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| Fermion Index: |
Fermion Index = 0.03
Boson Index = 0.97 |
| Photoelectric: |
PEAndreyivanovite = 22.62 barns/electron
U=PEAndreyivanovite x rElectron Density= 140.90 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Andreyivanovite is Not Radioactive |
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Andreyivanovite Classification
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| Dana Class: |
01.01.17.03 (01)Native Elements |
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(01.01)with metallic elements other than the platinum group |
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(01.01.17)Dana Group |
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01.01.17.01 Tongbaite Cr3C2 P nma 2/m 2/m 2/m |
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01.01.17.02 Florenskyite! (Fe,Ni)TiP P nma 2/m 2/m 2/m |
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01.01.17.03 Andreyivanovite! FeCrP P nma 2/m 2/m 2/m |
| Strunz Class: |
01.BD.15 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.B - Metallic Carbides, Silicides, Nitrides and Phosphides |
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01.BD -Phosphides |
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01.BD.15 Allabogdanite! (Fe,Ni)2P P nma 2/m 2/m 2/m |
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01.BD.15 Florenskyite! (Fe,Ni)TiP P nma 2/m 2/m 2/m |
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01.BD.15 Andreyivanovite! FeCrP P nma 2/m 2/m 2/m |
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Other Andreyivanovite Information
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| References: |
NAME( AmMin v93, p1295) PHYS. PROP.(AmMin v93, p1295) |
| See Also: |
Links to other databases for Andreyivanovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Print or Cut-and-Paste your Andreyivanovite Specimen Label here :
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Andreyivanovite
FeCrP
Dana No: 01.01.17.03 Strunz No: 01.BD.15
Locality:
Notes:
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