Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Ominelite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
(Fe2+,Mg)(Al,Fe3+)3(SiO4)(BO3)O2
Colour:
Blue
Lustre:
Vitreous
Hardness:
7
Specific Gravity:
3.2 (Calculated)
Crystal System:
Orthorhombic
Name:
Named in 2002 by Yoshikuni Hiroi et al. for the Omine Mountain(s), Japan, the type locality.
Fe analogue of Grandidierite.



Hide all sections | Show all sections

Classification of OmineliteHide

Approved
Approval Year:
1999
First Published:
2002
9.AJ.05

9 : SILICATES (Germanates)
A : Nesosilicates
J : Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, cornersharing with SiO4

Physical Properties of OmineliteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Blue
Streak:
Pale blue
Hardness:
Hardness Data:
Estimated
Tenacity:
Brittle
Cleavage:
None Observed
Density:
3.2 g/cm3 (Calculated)

Optical Data of OmineliteHide

Type:
Biaxial (-)
RI values:
nα = 1.631 nβ = 1.654 nγ = 1.656
2V:
Measured: 31° , Calculated: 32°
Max Birefringence:
δ = 0.025
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
strong

Chemical Properties of OmineliteHide

Formula:
(Fe2+,Mg)(Al,Fe3+)3(SiO4)(BO3)O2
IMA Formula:
Fe2+Al3O2(BO3)SiO4

Crystallography of OmineliteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 10.343 Å, b = 11.095 Å, c = 5.7601 Å
Ratio:
a:b:c = 0.932 : 1 : 0.519
Unit Cell V:
661.00 ų (Calculated from Unit Cell)
Z:
4
Morphology:
No forms mentioned.
Twinning:
None mentioned.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.21 (vs)
5.05 (vvs)
2.97 (s)
2.79 (s)
2.18 (s)

Type Occurrence of OmineliteHide

Synonyms of OmineliteHide

Other Language Names for OmineliteHide

German:Ominelit
Spanish:Ominelita

Related Minerals - Nickel-Strunz GroupingHide

9.AJ.05Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2Orth. mmm (2/m 2/m 2/m)
9.AJ.10Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3Orth. mmm (2/m 2/m 2/m)
9.AJ.10Holtite(Ta0.60.4)Al6BSi3O18(O,OH)2.25Orth. mmm (2/m 2/m 2/m) : Pnma
9.AJ.10Magnesiodumortierite(Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3Orth.
9.AJ.15GarrelsiteBa3NaSi2B7O16(OH)4Mon.
9.AJ.20BakeriteCa4(H5B5Si3O20)Mon. 2/m : P21/b
9.AJ.20DatoliteCa(HBSiO5)Mon. 2/m : P21/b
9.AJ.20Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10Mon. 2/m
9.AJ.20Gadolinite-(Y)Y2Fe2+Be2Si2O10Mon. 2/m : P21/b
9.AJ.20Hingganite-(Ce)(Ce,REE)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
9.AJ.20Hingganite-(Y)(Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
9.AJ.20Hingganite-(Yb)(Yb,Y,REE)2□Be2[SiO4]2(OH)2
9.AJ.20HomiliteCa2(Fe2+,Mg)B2Si2O10Mon.
9.AJ.20Melanocerite-(Ce)(Ce,Ca)5(SiO4,BO4)3(OH,0)Hex.
9.AJ.20Minasgeraisite-(Y)CaBe2Y2Si2O10Mon. 2/m : P21/b
9.AJ.20Calcybeborosilite-(Y)(Y,Ca)2(□,Fe2+)(B,Be)2[SiO4]2(OH,O)2Mon.
9.AJ.25Stillwellite-(Ce)(Ce,La,Ca)BSiO5
9.AJ.30Cappelenite-(Y)Ba(Y,Ce)6Si3B6O24F2Trig. 3 : P3
9.AJ.35Okanoganite-(Y)(Na,Ca)3(Y,Ce)12Si6B2O27F14
9.AJ.35Vicanite-(Ce)(Ca,Ce,La,Th)15As5+(As3+0.5,Na0.5)Fe3+Si6B4O40F7Trig.
9.AJ.35Hundholmenite-(Y)(Y,REE,Ca,Na)15(Al,Fe3+)(CaxAs3+1-x)(Si,As5+)Si6B3(O,F)48Trig. 3m : R3m
9.AJ.35Proshchenkoite-(Y)Ca(Y,REE,Ca,Na,Mn)15Fe2+(P,Si)Si6B3O34F14Trig. 3m : R3m
9.AJ.40JadariteLiNaSiB3O7(OH)Mon. 2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for OmineliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hiroi, Y., Grew, E.S., Motoyoshi, Y., Peacor, D.R., Rouse, R.C., Matsubara, S., Yokoyama, K., Miyawaki, R., Mcgee, J.J., Su, S.-C., Hokada, T., Furukawa, N., Shibasaki, H. (2002) Ominelite, (Fe,Mg)Al3BSiO9 (Fe2+ analogue of grandidierite), a new mineral from porphyritic granite in Japan. American Mineralogist: 87: 160–170.

Internet Links for OmineliteHide

Localities for OmineliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Czech Republic
 
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Žďár nad Sázavou
CEMPÍREK, Jan a Milan NOVÁK a Zdeněk DOLNÍČEK a Jana KOTKOVÁ a Radek ŠKODA. Crystal chemistry and origin of grandidierite, ominelite, boralsilite, and werdingite from the Bory Granulite Massif, Czech Republic American Mineralogist, Mineralogical Society of America, 95, 10, od s. 1533-1547, 15 s. ISSN 0003-004X. 2010
Japan (TL)
 
  • Honshu Island
    • Kinki Region
      • Nara Prefecture
        • Yoshino-gun
          • Tenkawa village
            • Omine Mts
Hiroi Y, Grew E S, Motoyoshi Y, Peacor D R, Rouse R C, Matsubara S, Yokoyama K, Miyawaki R, Mcgee J J, Su S, Hokada T, Furukawa N, Shibasaki H (2001) Ominelite, (Fe,Mg)Al3BSiO9 (Fe2+ analogue of grandidierite), a new mineral from porphyritic granite in Japan. American Mineralogist 87, 160-170
Norway
 
  • Rogaland
    • Lund
      • Flatestøl
Hiroi, Y. et al. (2002): Ominelite, (Fe,Mg)Al3BSiO9 (Fe2+ analogue of grandidierite), a new mineral from porphyritic granite in Japan. American Mineralogist 87: 160- 170 + Kristiansen, R. (2007): Originalbeskrevne mineraler fra Norge i et nytt årtusen. STEIN 34 (1), 30-34
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 24, 2017 07:05:43 Page generated: September 6, 2017 15:39:00
Go to top of page