Dmitryivanovite Mineral Data

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General Dmitryivanovite Information

Chemical Formula:

CaAl2O4

Composition:

Molecular Weight = 158.03 gm

Calcium 25.36 % Ca 35.49 % CaO

Titanium 0.06 % Ti 0.10 % TiO₂

Aluminum 34.03 % Al 64.29 % Al₂O₃

Silicon 0.05 % Si 0.11 % SiO₂

Oxygen 40.50 % O

______ ______

100.00 % 99.99 % = TOTAL OXIDE

Empirical Formula:

CaAl_1.99Si_0.003Ti_0.002O₄

Environment:

The NWA470 meteorite is a metal-rich carbonaceous chondrite found in 1999 and classified as a CH3 chondrite. Ca,Al-rich inclusions (CAIs) are important components of chondritic mete orites and may represent a pre-solar p

IMA Status:

Approved IMA 2006 (Dana # Added)

Locality:

NWA 470 chondrite, near Er Rachidia, Moroccan Sahara. Link to MinDat.org Location Data.

Name Origin:

Named for Dmitriy A. Ivanov (1962-1986), a geologist, mineralogist, and petrologist who died tragically on a field expedition to study igneous rocks in the Caucasus Mountains.

Synonym:

IMA2006-035

Dmitryivanovite Image

Images:

Dmitryivanovite

Comments: Inclusion consisting mainly of grossite (Gr) intergrown with perovskite (Pv) and melilite (Mel) that is pure gehlenite (Ak0) with dmitryivanovite (CaAl2O4). (AmMin, v94:746).
Location: Northwest Africa 470 (NWA470) CH3 chondrite. Scale: See Image.
© American Mineralogist

Dmitryivanovite Crystallography

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

By Intensity(I/I_o): 3.018(1), 2.92(0.83), 2.882(0.52),2.559(0.42), 2.505(0.46), 2.371(0.31), 1.888(0.29), 1.467(0.29),

Optical Properties of Dmitryivanovite

Optical Data:

NCalc= 1.94 - from Gladstone-Dale relationship (KC = 0.2082) where Ncalc=Dcalc*KC+1

Calculated Properties of Dmitryivanovite

Electron Density:

Bulk Density (Electron Density)=4.43 gm/cc
note: Specific Gravity of Dmitryivanovite =4.49 gm/cc.

Fermion Index:

Fermion Index = 0.0006400102
Boson Index = 0.9993599898

Photoelectric:

PE_{Dmitryivanovite}= 4.14 barns/electron
U=PE_{Dmitryivanovite} x rElectron Density= 18.34 barns/cc.

Radioactivity:

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

Dmitryivanovite Classification

Dana Class:

07.10.05.01 (07)Multiple Oxides

(07.10)Dana Type

(07.10.05)Dana Group

07.10.05.01 Dmitryivanovite! CaAl2O4 P 2₁/c 2/m

Strunz Class:

04.BC.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.B - Metal:Oxygen = 3:4 and similar

04.BC -With medium-sized and large cations

04.BC.10 Dmitryivanovite! CaAl2O4 P 2₁/c 2/m

Other Dmitryivanovite Information

See Also:

Links to other databases for Dmitryivanovite :
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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Dmitryivanovite

CaAl2O4
Dana No: 07.10.05.01 Strunz No: 04.BC.10
Locality:

Notes: