Florenskyite Mineral Data

General Florenskyite Information

Chemical Formula:

(Fe,Ni)TiP

Composition:

Molecular Weight = 134.03 gm

Titanium 30.36 % Ti

Iron 40.83 % Fe

Nickel 5.69 % Ni

Phosphorus 23.11 % P

______

100.00 %

Empirical Formula:

Fe⁰⁺_0.98Ni_0.13Ti_0.85P

Environment:

Inclusion in serpentine in a carbonaceous, enstatitic, and Rumaruti type chondrodite meteorite. Anti-PbCl2 structure.

IMA Status:

Approved IMA 1999 (Dana # Added)

Locality:

Kaidum chondritic meteorite, which fell in South Yemen in 1980. Link to MinDat.org Location Data.

Name Origin:

Named for Cyrill P. Florensky (1915-19820, Russian geochemist, who is one of the founders of Colleagues in the Laboratory of Comparative Planetology.

Synonym:

ICSD 89711

IMA1999-013

Florenskyite Image

Images:

Florenskyite

Comments: Backscattered electron image of the serpentine mass containing bright florenskyite grains (arrow). (AmMin, 85:1083).
Location: Kaidun chondritic meteorite, which fell in South Yemen in 1980. Scale: See Image.
© American Mineralogist

Florenskyite Crystallography

Axial Ratios:

a:b:c =1.6676:1:1.9147

Cell Dimensions:

a = 6.007, b = 3.602, c = 6.897, Z = 4; V = 149.23 Den(Calc)= 5.97

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): 2.301(1)(112), 2.188(0.88)(211), 2.307(0.47)(210),1.801(0.45)(020), 1.938(0.45)(013), 1.115(0.38)(230), 1.923(0.34)(301), 2.147(0.31)(103),

Crystal Structure:

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Ivanov A V , Zolensky M E , Saito A , Ohsumi K , Yang S V , Kononkova N N , Mikouchi T , American Mineralogist , 85 (2000) p.1082-1086, Florenskyite, FeTiP, a new phosphide from the Kaidun meteorite, Locality: Kaidun chondritic meteorite, South Yemen

Physical Properties of Florenskyite

Color:

Cream white.

Diaphaneity:

Opaque

Habit:

Inclusions - Generally found as inclusions in other minerals.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Luster:

Metallic

Optical Properties of Florenskyite

Optical Data:

NCalc= 2.77 - from Gladstone-Dale relationship (KC = 0.296) where Ncalc=Dcalc*KC+1

RL Color:

Creamy white.

Calculated Properties of Florenskyite

Electron Density:

Bulk Density (Electron Density)=5.60 gm/cc
note: Specific Gravity of Florenskyite =5.97 gm/cc.

Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Photoelectric:

PE_Florenskyite= 21.02 barns/electron
U=PE_Florenskyite x rElectron Density= 117.64 barns/cc.

Radioactivity:

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

Florenskyite Classification

Dana Class:

01.01.17.02 (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 Florenskyite Information

References:

NAME( AmMin, Vol 85, p 1082) PHYS. PROP.(AmMin, Vol 85, p 1082) OPTIC PROP.(AmMin, Vol 85, p 1082)

See Also:

Links to other databases for Florenskyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

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Print or Cut-and-Paste your Florenskyite Specimen Label here :

Florenskyite

(Fe,Ni)TiP
Dana No: 01.01.17.02 Strunz No: 01.BD.15
Locality:

Notes: