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

Simplotite

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

About SimplotiteHide

Formula:
CaV4+4O9 · 5H2O
Colour:
Black, greenish black
Lustre:
Vitreous
Hardness:
1
Specific Gravity:
2.64
Crystal System:
Monoclinic
Name:
Named after J.R. Simplot, owner of the J. R. Simplot Mining Company, Boise, Idaho, owner of the type locality.
This page provides mineralogical data about Simplotite.


Classification of SimplotiteHide

Approved, 'Grandfathered' (first described prior to 1959)
4.HG.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
G : Unclassified V oxides
47.4.8.1

47 : VANADIUM OXYSALTS
4 : Vanadium Bronzes
7.12.12

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta

Physical Properties of SimplotiteHide

Vitreous
Colour:
Black, greenish black
Comment:
Thin flakes yellow-green
Streak:
Brownish black
Hardness:
Cleavage:
Distinct/Good
on {010}
Density:
2.64 g/cm3 (Measured)    

Optical Data of SimplotiteHide

Type:
Biaxial (-)
RI values:
nα = 1.705 nβ = 1.767 nγ = 1.769
2V:
Measured: 25° , Calculated: 18°
Max Birefringence:
δ = 0.064
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v weak
Pleochroism:
Visible
Comments:
Yellow to green

Chemical Properties of SimplotiteHide

Formula:
CaV4+4O9 · 5H2O

Crystallography of SimplotiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 8.39 Å, b = 17.02 Å, c = 8.37 Å
β = 90.42°
Ratio:
a:b:c = 0.493 : 1 : 0.492
Unit Cell V:
1,195.19 ų (Calculated from Unit Cell)
Morphology:
Platy

Type Occurrence of SimplotiteHide

Other Language Names for SimplotiteHide

German:Simplotit
Spanish:Simplotita

Related Minerals - Nickel-Strunz GroupingHide

4.HG.CalciodelrioiteCa(VO3)2·4H2O Mon. 2/m : B2/b
4.HG.05FervaniteFe3+4V5+4O16 · 5H2OMon.
4.HG.10HuemuliteNa4Mg(V10O28) · 24H2OTric.
4.HG.15VanaliteNaAl8V10O38 · 30H2OMon.
4.HG.25VanoxiteV4+4V5+2O13 · 8H2O
4.HG.30NavajoiteFe3+V5+9O24 · 12H2OMon. 2/m : B2/m
4.HG.35DelrioiteCaSr(V2O6)(OH)2 · 3H2OMon.
4.HG.40MetadelrioiteCaSr(V2O6)(OH)2Tric.
4.HG.45Barnesite(Na,Ca)V6O16 · 3H2OMon. 2/m : P2/m
4.HG.50Hendersonite(Ca,Sr)1.3V6O16 · 6H2OOrth.
4.HG.55Grantsite(Na,Ca)2+x(V5+,V4+)6O16 · 4H2OMon.
4.HG.60LenobliteV4+2O4 · 2H2OOrth. 2 2 2 : P21 21 21
4.HG.65SatpaeviteAl12V4+2V5+6O37 · 30H2O

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.12.1Montroseite(V3+,Fe3+)O(OH)Orth.
7.12.2 ScherbinaiteV5+2O5
7.12.3ParamontroseiteV4+O2Orth.
7.12.4HäggiteV3+V4+O2(OH)3Mon.
7.12.5DuttoniteV4+O(OH)2Mon. 2/m
7.12.6DoloresiteV4+3O4(OH)4Mon.
7.12.7LenobliteV4+2O4 · 2H2OOrth. 2 2 2 : P21 21 21
7.12.8NavajoiteFe3+V5+9O24 · 12H2OMon. 2/m : B2/m
7.12.9VanoxiteV4+4V5+2O13 · 8H2O
7.12.10BarianditeAl0.6(V5+,V4+)8O20 · 9H2OMon.
7.12.11Corvusite(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2OMon.
7.12.13KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/b
7.12.14SchreyeriteV3+2Ti3O9Mon.
7.12.15BerdesinskiiteV3+2TiO5Mon.
7.12.16TivaniteV3+TiO3(OH)Mon.
7.12.17MannarditeBa(Ti4+6V3+2)O16Tet. 4/m : I41/a
7.12.18KarelianiteV3+2O3Trig.
7.12.19CoulsoniteFe2+V3+2O4
7.12.20Nolanite(V3+,Fe3+,Fe2+,Ti)10O14(OH)2Hex.
7.12.21VuorelaineniteMn2+V3+2O4
7.12.22TantiteTa2O5Tric.
7.12.23Kimrobinsonite(Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2Iso.

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 SimplotiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Science (1956), 123, 1078.
American Mineralogist (1958): 43: 16-24.

Internet Links for SimplotiteHide

Localities for SimplotiteHide

ⓘ - 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.
Germany
 
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke et al. (2001) American Mineralogist 86, 1081-1086
USA
 
  • Colorado
    • Montrose Co.
      • Uravan District
Minerals of Colorado (1997) E.B. Eckel
        • Bull Canyon
Science (1956) 123, 1078; "Minerals of Colorado, updated & revised", p. 444, by Eckel, Edwin B., 1997
        • Paradox Valley
Minerals of Colorado 2nd ed.
          • Jo Dandy Mine (Joe Dandy; Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker)
Minerals of Colorado (1997) E.B. Eckel
    • San Miguel Co.
      • Slick Rock District
Minerals of Colorado (1997) E.B. Eckel
Minerals of Colorado (1997) E.B. Eckel; Am Min (1958) 43:16-24
  • Utah
    • San Juan Co.
      • La Sal District (Paradox Valley District)
        • La Sal
UGMS Bull 117 Minerals and Mineral Localities of Utah
      • La Sal Quadrangle
UGMS Bull 117 Minerals and Mineral Localities of Utah
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 21:44:49 Page generated: October 18, 2018 05:39:51
Go to top of page