Dmitryivanovite Mineral Data
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 % Al2 O3
Silicon 0.05 % Si 0.11 % SiO2
Oxygen 40.50 % O
______ ______
100.00 % 99.99 % = TOTAL OXIDE
Empirical Formula:
CaAl1.99 Si0.003 Ti0.002 O4
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
X Ray Diffraction:
By Intensity(I/Io ): 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:
PEDmitryivanovite = 4.14 barns/electronU=PEDmitryivanovite x r Electron 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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Print or Cut-and-Paste your Dmitryivanovite Specimen Label here :
Dmitryivanovite
CaAl2O4
Dana No: 07.10.05.01 Strunz No: 04.BC.10
Locality:
Notes: