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 EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography
╳Discussions
💬 Home🔎 Search📅 LatestGroups
EducationOpen discussion area.Fakes & FraudsOpen discussion area.Field CollectingOpen discussion area.FossilsOpen discussion area.Gems and GemologyOpen discussion area.GeneralOpen discussion area.How to ContributeOpen discussion area.Identity HelpOpen discussion area.Improving Mindat.orgOpen discussion area.LocalitiesOpen discussion area.Lost and Stolen SpecimensOpen discussion area.MarketplaceOpen discussion area.MeteoritesOpen discussion area.Mindat ProductsOpen discussion area.Mineral ExchangesOpen discussion area.Mineral PhotographyOpen discussion area.Mineral ShowsOpen discussion area.Mineralogical ClassificationOpen discussion area.Mineralogy CourseOpen discussion area.MineralsOpen discussion area.Minerals and MuseumsOpen discussion area.PhotosOpen discussion area.Techniques for CollectorsOpen discussion area.The Rock H. Currier Digital LibraryOpen discussion area.UV MineralsOpen discussion area.Recent Images in Discussions
Mineralogical ClassificationIMA Approvals April 2006
26th Apr 2006 13:00 UTCJim Ferraiolo
IMA No. 2006-001
Tolbachik volcano, Kamchatka Peninsula, Russia
Sergey V. Krivovichev
Cu5O2(SeO3)2Cl2
Dimorphous with georgbokiite
Monoclinic: P21/c; structure determined
a 5.3982 , b 8.0543, c 11.128 Å, β 99.258º
3.22(90), 3.01(100), 2.61(80), 2.270(70), 2.117(60), 1.953(40), 1.482(40), 1.406(40)
IMA No. 2006-002
Mt. Kukisvumchorr, Kola Peninsula, Russia
Sergey V. Krivovichev
K3NaCaY2(Si12O30)·4H2O
New structure type
Orthorhombic: Pcca; structure determined
a 14.972, b 14.137, c 14.594 Ã…
7.00(4), 6.57(6), 5.25(3), 4.20(5), 3.337(10), 3.248(9), 3.101(4), 3.014(8)
IMA No. 2006-003
Kaidun meteorite (South Yemen)
Michael E. Zolensky
FeCrP
Cr-dominant analogue of florenskyite
Orthorhombic: Pnma
a 5.833, b 3.569, c 6.658 Ã…
2.258(46), 2.247(100), 2.139(81), 2.074(31), 1.885(34), 1.866(31), 1.785(43), 1.298(22)
IMA No. 2006-004
Brattnevet Peninsula, Larsemann Hills, Prydz Bay, East Antarctica
Edward S. Grew
(Mg,Fe)3(PO4)2
Mg-dominant analogue of sarcopside
Monoclinic: P21/c; structure determined
a 5.9305, b 4.7583, c 10.2566 Å, β 90.663°
5.92(42), 4.31(29), 3.84(100), 3.48(37), 2.97(25), 2.77(46), 2.51(59), 2.44(40)
IMA No. 2006-005
Hundholmen, Tysfjord, Nordland, north Norway
Gunnar Raade
(Y,REE,Ca,Na)15(Al,Fe3+)CaxAs3+1-x(Si,As5+)Si6B3(O,F)48
Vicanite group
Trigonal: R3m; structure determined
a 10.675, c 27.02 Ã…
4.38(33), 3.114(43), 3.095(29), 2.972(100), 2.947(76), 2.924(66), 2.681(36), 1.978(37)
xAs3+1-x should be in parens, as well.>
IMA No. 2006-006
Augustinovka iron meteorite, Ekaterinoslav (now Dnepropetrovsk), Ukraine
Sergey N. Britvin
Na4Fe7(PO4)6
Fillowite group
Triclinic: P1 or P-1
a 9.643, b 9.633, c 17.645 Å, α 88.26, β 88.16, γ 64.83°
5.12(2), 3.034(10), 2.888(2), 2.715(8), 2.585(3), 2.405(2), 1.870(2), 1.769(2)
26th Apr 2006 14:12 UTCPeter Haas
27th Apr 2006 11:53 UTCMarco E. Ciriotti Manager
Reference:
• Mikouchi, T., Zolensky, M., Tachikawa, O., Komatsu, M., Ivanova, M.A., Le, L., Gounelle, M. (2006): Electron back-scattered diffraction (EBSD) analysis of two unusual minerals in carbonaceous chondrites. Lunar and Planetary Science, 37, 1855.
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 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 25, 2024 16:08:03
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 25, 2024 16:08:03