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

Gatewayite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Ca6(As3+V4+3 V5+9As5+6O51)·31H2O
Crystal System:
Monoclinic
Related to vanarsite and packratite. The other polyoxometalate from the same site is, e.g., kegginite.


Hide all sections | Show all sections

Classification of GatewayiteHide

Approved, Pending publication
Approval Year:
2015

Chemical Properties of GatewayiteHide

Formula:
Ca6(As3+V4+3 V5+9As5+6O51)·31H2O
IMA Formula:
Ca6(As3+V4+3V5+9As5+6O51) · 31H2O

Crystallography of GatewayiteHide

Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
P21
Setting:
P21
Cell Parameters:
a = 11.1850(4) Å, b = 16.8528(4) Å, c = 20.7146(15) Å
β = 91.166(6)°
Ratio:
a:b:c = 0.664 : 1 : 1.229
Unit Cell V:
3,903.86 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
13.16(47)
11.13(8)
9.70(100)
3.246(9)
2.953(9)
2.866(14)
2.810(17)
2.758(9)

Type Occurrence of GatewayiteHide

Place of Conservation of Type Material:
Co-type material is deposited in the collections of the Natural History Museum of Los Angeles County, Los Angeles, California, USA, catalogue numbers 64513, 64514, 65555 and 65559

Synonyms of GatewayiteHide

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 GatewayiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kampf, A.R., Hughes, J.M., Marty, J. and Nash, B.P. (2015) Gatewayite, IMA 2014- 096. CNMNC Newsletter No. 24, April 2015, page 250; Mineralogical Magazine, 79, 247-251.

Internet Links for GatewayiteHide

Localities for GatewayiteHide

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.
USA (TL)
 
  • Colorado
    • Mesa Co.
      • Gateway District
        • Gateway
Kampf, A.R., Hughes, J.M., Marty, J. and Nash, B.P. (2015) Gatewayite, IMA 2014- 096. CNMNC Newsletter No. 24, April 2015, page 250; Mineralogical Magazine, 79, 247-251. ; Kampf, A.R., Nash, B.P., Marty, J., Hughes, J.M. (2016): Mesaite, CaMn2+5(V2O7)3·12H2O, a new vanadate mineral from the Packrat mine, near Gateway, Mesa County, Colorado, USA. Mineralogical Magazine: 80: (in press)
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 17, 2018 19:11:26 Page generated: October 9, 2018 09:33:52
Go to top of page