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

Arsenmedaite

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

About ArsenmedaiteHide

Formula:
Mn2+6 As5+Si5O18(OH)
Crystal System:
Monoclinic
The As analogue of medaite.


Classification of ArsenmedaiteHide

Approved, Pending publication

Chemical Properties of ArsenmedaiteHide

Formula:
Mn2+6 As5+Si5O18(OH)
IMA Formula:
Mn2+6As5+Si5O18(OH)

Crystallography of ArsenmedaiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 6.7099(3) Å, b = 29.001(1) Å, c = 7.5668(3) Å
β = 95.469(3)°, γ = °
Ratio:
a:b:c = 0.231 : 1 : 0.261
Unit Cell V:
1,465.75 ų (Calculated from Unit Cell)
Comment:
Spacegroup P21/n

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.777(58)
3.266(100)
3.159(72)
3.094(82)
2.963(83)
2.935(79)
2.788(68)
2.612(98)
Comments:
From Type Description.

Type Occurrence of ArsenmedaiteHide

Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Museo di Storia Naturale, Università di Pisa, Via Roma 79, Calci (Pisa), Italy, catalogue number 19901, and the Dipartimento di Scienze della Terra, dell’Ambiente e della Vita (DISTAV), Un

Synonyms of ArsenmedaiteHide

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 ArsenmedaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Biagioni, C., Belmonte, D., Carbone, C., Cabella, R., Zaccarini, F. and Balestra, C. (2017) Arsenmedaite, IMA 2016- 099. CNMNC Newsletter No. 36, April 2017, page 405; Mineralogical Magazine: 81: 403– 409.

Internet Links for ArsenmedaiteHide

Localities for ArsenmedaiteHide

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.
Italy (TL)
 
  • Liguria
    • Genova Province
      • Ne
        • Graveglia Valley
Biagioni, C., Belmonte, D., Carbone, C., Cabella, R., Zaccarini, F. and Balestra, C. (2017) Arsenmedaite, IMA 2016- 099. CNMNC Newsletter No. 36, April 2017, page 405; Mineralogical Magazine, 81, 403– 409.
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 18, 2018 16:48:36 Page generated: August 1, 2018 07:36:38
Go to top of page