IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch 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 ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Gladiusite

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About GladiusiteHide

Formula:
Fe2(Fe,Mg)4(PO4)(OH)11(H2O)
Colour:
Dark green, almost black,
Lustre:
Vitreous
Hardness:
4 - 4½
Crystal System:
Monoclinic
Name:
For the crystal morphology (resembling a double-edged sword (gladius, Latin for sword)).
This page provides mineralogical data about Gladiusite.


Classification of GladiusiteHide

Approved
8.DF.40

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
F : With only medium-sized cations, (OH,etc.):RO4 > 3:1

Physical Properties of GladiusiteHide

Vitreous
Colour:
Dark green, almost black,
Streak:
olive-green
Hardness:
4 - 4½ on Mohs scale

Optical Data of GladiusiteHide

Type:
Biaxial (-)
RI values:
nα = 1.722 nβ = 1.730 nγ = 1.737
Max Birefringence:
δ = 0.015
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v

Chemical Properties of GladiusiteHide

Formula:
Fe2(Fe,Mg)4(PO4)(OH)11(H2O)
IMA Formula:
Fe3+2Fe2+4(PO4)(OH)11 · H2O

Crystallography of GladiusiteHide

Crystal System:
Monoclinic

Type Occurrence of GladiusiteHide

Synonyms of GladiusiteHide

Other Language Names for GladiusiteHide

Related Minerals - Nickel-Strunz GroupingHide

8.DF.05HotsoniteAl11(SO4)3(PO4)2(OH)21 · 16H2OTric.
8.DF.10BolivariteAl2(PO4)(OH)3 · 4-5H2OAmor.
8.DF.10EvansiteAl3(PO4)(OH)6 · 6H2OAmor.
8.DF.10Liskeardite[(Al,Fe)32(AsO4)18(OH)42(H2O)22] · 52H2OOrth.
8.DF.10Rosièresite(Pb, Cu, Al, P, O, H)Amor.
8.DF.15Rusakovite(Fe3+,Al)5(VO4,PO4)2(OH)9 · 3H2O
8.DF.20LiroconiteCu2Al(AsO4)(OH)4 · 4H2OMon. 2/m
8.DF.25SieleckiiteCu3Al4(PO4)2(OH)12 · 2H2OTric.
8.DF.30ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2OTrig. 3 : R3
8.DF.35ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2OOrth. mm2 : Pmn21

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 GladiusiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Liferovich, R.P., Sokolova, E.V., Hawthorne, F.C., Laajoki, K.V.O., Gehör, S., Pakhomovsky, Ya.A., and Sorokhtina, N.V. (2000) Gladiusite, Fe 3+ 2(Fe 2+,Mg)4(PO4)(OH)11(H2O), a new hydrothermal mineral species from the phoscorite-carbonatite unit, Kovdor complex, Kola Peninsula, Russia. Canadian Mineralogist: 38: 1477-1485.

Internet Links for GladiusiteHide

Localities for GladiusiteHide

ⓘ - 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.
Russia (TL)
 
  • Murmanskaya Oblast'
Can. Mineral. 38:1477-1485.
Mikhailova, J. A., Kalashnikov, A. O., Sokharev, V. A., Pakhomovsky, Y. A., Konopleva, N. G., Yakovenchuk, V. N., ... & Ivanyuk, G. Y. (2016). 3D mineralogical mapping of the Kovdor phoscorite–carbonatite complex (Russia). Mineralium Deposita, 51(1), 131-149.
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 1993-2018, 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 19, 2018 16:27:14 Page generated: October 19, 2018 06:53:44
Go to top of page