![]() |
Ellenbergerite Mineral Data |
General Ellenbergerite Information |
|||
![]() |
Mg6TiAl6Si8O28(OH)10 | ||
![]() |
Molecular Weight = 1,198.34 gm | ||
Magnesium 12.17 % Mg 20.18 % MgO | |||
Titanium 4.00 % Ti 6.67 % TiO2 | |||
Aluminum 13.51 % Al 25.53 % Al2O3 | |||
Silicon 18.75 % Si 40.11 % SiO2 | |||
Hydrogen 0.84 % H 7.52 % H2O | |||
Oxygen 50.73 % O | |||
______ ______ | |||
100.00 % 100.00 % = TOTAL OXIDE | |||
![]() |
Mg6TiAl6Si8O28(OH)10 | ||
![]() |
As inclusions in pyrope porphyroblasts developed during high-pressure (25-30 kbar), medium-temperature (700 �C{800 �C) metamorphism of continental crustal rocks. | ||
![]() |
Approved IMA 1986 | ||
![]() |
Dora-Maira massif, Parigi, near Martiniana Po, Piedmont, Italy. Link to MinDat.org Location Data. | ||
![]() |
Named for Francois Ellenberger, Paris, France, for his geological work in the western Alps. | ||
![]() |
Ellenbergerite + Pronunciation ![]() |
||
![]() |
ICSD 66681 | ||
PDF 40-507 | |||
Ellenbergerite Image | |||
![]() |
|
||
Ellenbergerite Crystallography |
|||
![]() |
a:c = 1:0.40244 | ||
![]() |
a = 12.255, c = 4.932, Z = 1; V = 641.48 Den(Calc)= 3.10 | ||
![]() |
Hexagonal - Pyramidal H-M Symbol (6) Space Group: P 63 | ||
![]() |
By Intensity(I/Io): 3.54(0.75), 2.653(0.7), 3.06(0.55), | ||
Physical Properties of Ellenbergerite |
|||
![]() |
None | ||
![]() |
Colorless, Purple, Lilac. | ||
![]() |
3.15 - 3.22, Average = 3.18 | ||
![]() |
Transparent | ||
![]() |
6.5 - Pyrite | ||
![]() |
Vitreous (Glassy) | ||
![]() |
white | ||
Optical Properties of Ellenbergerite |
|||
![]() |
CI meas= 0.087 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.062 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2143,KPDmeas= 0.2086,KC= 0.2284 Ncalc = 1.71 - 1.74 |
||
![]() |
Uniaxial (-), e=1.6538-1.6697, w=1.6553-1.6789, bire=0.0015-0.0092. | ||
Calculated Properties of Ellenbergerite |
|||
![]() |
Bulk Density (Electron Density)=3.09 gm/cc note: Specific Gravity of Ellenbergerite =3.10 gm/cc. |
||
![]() |
Fermion Index = 0.02 Boson Index = 0.98 |
||
![]() |
PEEllenbergerite = 2.04 barns/electron U=PEEllenbergerite x rElectron Density= 6.32 barns/cc. |
||
![]() |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ellenbergerite is Not Radioactive |
||
Ellenbergerite Classification |
|||
![]() |
52.04.10.01 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O | ||
(52.04)with cations in [6] and/or > [6] coordination | |||
(52.04.10)Dana Group | |||
![]() |
09.AF.80 09 - SILICATES (Germanates) | ||
09.A - Nesosilicates | |||
09.AF -Nesosilicates with additional anions; | |||
Other Ellenbergerite Information |
|||
![]() |
NAME( AntBidBlaNic2) PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988) OPTIC PROP.(Bull.Miner.,Vol.107-111,1984-1988) | ||
![]() |
Links to other databases for Ellenbergerite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Minerals in Thin Section-University of North Carolina 13 - Online Mineral Museum 14 - QUT Mineral Atlas 15 - Ruff.Info 16 - WWW-MINCRYST Search for Ellenbergerite using: Visit our Advertisers for Ellenbergerite : Ask about Ellenbergerite here : Print or Cut-and-Paste your Ellenbergerite Specimen Label here :
|
||
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.