General Homilite Information![]() Ca2(Fe++,Mg)B2Si2O10 |
![]() Molecular Weight = 365.90 gm |
|
Calcium 21.91 % Ca 30.65 % CaO |
|
Magnesium 1.66 % Mg 2.75 % MgO |
|
Iron 11.45 % Fe 14.73 % FeO |
|
Silicon 15.35 % Si 32.84 % SiO2 |
|
Boron 5.91 % B 19.03 % B2O3 |
|
Oxygen 43.73 % O |
|
______ ______ |
|
100.00 % 100.00 % = TOTAL OXIDE |
![]() Ca2Fe2+0.75Mg0.25B2Si2O10 |
![]() In pegmatite. |
![]() Valid Species (Pre-IMA) 1896 |
![]() Stoko island, Langesundfiord, southern Norway. Link to MinDat.org Location Data. |
![]() Named from the Greek for "to occur together", in allusion to its association with meliphanite and "erdmannite" (allanite). |
![]() Homilite |
![]() ![]() ICSD 47157 |
|
PDF 36-430 |
| | Homilite Image
|
![]()
|
Homilite Crystallography![]() a:b:c =1.2774:1:0.6261 |
![]() a = 9.67, b = 7.57, c = 4.74, Z = 2; beta = 90.367° V = 346.97 Den(Calc)= 3.50 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a |
![]() By Intensity(I/Io): 2.52(1), 3.1(1), 2.83(0.9), |
|
![]()
Mouse
|
| Physical Properties of Homilite![]() None |
![]() Black, Blackish brown. |
![]() 3.38 |
![]() Translucent to subtranslucent |
![]() Brittle - Generally displayed by glasses and most non-metallic minerals. |
![]() Tabular - Form dimensions are thin in one direction. |
![]() 5 - Apatite |
![]() Vitreous (Glassy) |
| Optical Properties of Homilite![]() CI meas= -0.039 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.003 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2074,KPDmeas= 0.2148,KC= 0.2068 Ncalc = 1.7 - 1.72 ![]() Biaxial (+), a=1.715, b=1.725, g=1.738, bire=0.0230, 2V(Calc)=84, 2V(Meas)=80. |
| Calculated Properties of Homilite![]() Bulk Density (Electron Density)=3.45 gm/cc |
note: Specific Gravity of Homilite =3.50 gm/cc. ![]() Fermion Index = 0.02 |
Boson Index = 0.98 ![]() PEHomilite = 6.78 barns/electron |
U=PEHomilite x rElectron Density= 23.41 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Homilite is Not Radioactive | Homilite Classification![]() 54.02.01b.05 (54)Nesosilicate Borosilicates and Some Beryllosilicates |
|
(54.02)with B in [4] coordination |
|
(54.02.01b)Datolite group (Homilite series) |
|
|
|
|
|
|
![]() 09.AJ.20 09 - SILICATES (Germanates) |
|
09.A - Nesosilicates |
|
09.AJ -Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, |
|
|
|
|
|
|
|
|
|
|
|
|
| Other Homilite Information![]() NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) |
![]() Links to other databases for Homilite : |
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 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Homilite using: Visit our Advertisers for Homilite : A Bijoux Google Search for HomiliteAdam's Minerals Google Search for Homilite Cape Minerals Google Search for Homilite Dakota Matrix Minerals Google Search for Homilite Excalibur Mineral Corp. Google Search for Homilite Exceptional Minerals Google Search for Homilite John Betts Fine Minerals Search for Homilite McDougall Minerals Google Search for Homilite Mineral News Website Link Rock and Mineral Shows Google Search for Homilite Weinrich Minerals, Inc. Google Search for Homilite Ask about Homilite here : Print or Cut-and-Paste your Homilite Specimen Label here :
| |
|
| |