Andreyivanovite Mineral Data

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General Andreyivanovite Information

Chemical Formula:

FeCrP

Composition:

Molecular Weight = 138.79 gm

Titanium 2.79 % Ti

Vanadium 4.00 % V

Chromium 21.99 % Cr

Iron 46.27 % Fe

Cobalt 0.08 % Co

Nickel 2.54 % Ni

Phosphorus 22.32 % P

______

100.00 %

Empirical Formula:

Fe⁰⁺Cr_0.58Fe⁰⁺_0.15V⁰⁺_0.1Ti_0.08Ni_0.06Co_0.002P

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

Andreyivanovite Image

Images:

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

Andreyivanovite Crystallography

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 - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 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),

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

Kumar S , Krishnamurthy A , Srivastava B K , Das A , Paranjpe S K , Pramana - Journal of Physics , 63 (2004) p.199-205, Magnetization and neutron diffraction studies on FeCrP, Locality: synthetic

Physical Properties of Andreyivanovite

Cleavage:

Unknown, Unknown, Unknown

Color:

Creamy white.

Diaphaneity:

Opaque

Habit:

Inclusions - Generally found as inclusions in other minerals.

Luster:

Metallic

Optical Properties of Andreyivanovite

RL Color:

Creamy white.

Calculated Properties of Andreyivanovite

Electron Density:

Bulk Density (Electron Density)=6.23 gm/cc
note: Specific Gravity of Andreyivanovite =6.65 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_{Andreyivanovite}= 22.62 barns/electron
U=PE_{Andreyivanovite} x rElectron Density= 140.90 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Andreyivanovite is Not Radioactive

Andreyivanovite Classification

Dana Class:

01.01.17.03 (01)Native Elements

(01.01)with metallic elements other than the platinum group

(01.01.17)Dana Group

01.01.17.01 Tongbaite Cr3C2 P nma 2/m 2/m 2/m

01.01.17.02 Florenskyite! (Fe,Ni)TiP P nma 2/m 2/m 2/m

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)

01.B - Metallic Carbides, Silicides, Nitrides and Phosphides

01.BD -Phosphides

01.BD.15 Allabogdanite! (Fe,Ni)2P P nma 2/m 2/m 2/m

01.BD.15 Florenskyite! (Fe,Ni)TiP P nma 2/m 2/m 2/m

01.BD.15 Andreyivanovite! FeCrP P nma 2/m 2/m 2/m

Other Andreyivanovite Information

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 :

Andreyivanovite

FeCrP
Dana No: 01.01.17.03 Strunz No: 01.BD.15
Locality:

Notes: