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Santafeite

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Santa Fe locomotive
Formula:
(Ca,Sr,Na)3(Mn2+,Fe3+)2Mn24+(VO4)4(OH,O)5 · 2H2O
System:
Orthorhombic
Colour:
Black
Lustre:
Adamantine
Name:
Named by R. S. Sun and R. H. Weber in 1958 after the Atchison, Topeka and Santa Fe Railroad Company for its pioneering exploration and development activities in connection with the uranium deposits of New Mexico.
This page provides mineralogical data about Santafeite.


Classification of Santafeite

Approved, 'Grandfathered' (first described prior to 1959)
8.DM.40

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
M : With large and medium-sized cations, (OH, etc.):RO4 > 2:1
42.9.7.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)7(XO4)4Zq·xH2O
21.4.16

21 : Vanadates (and vanadates with arsenate or phosphate)
4 : Vanadates of U, Mn, Fe or Ni

Physical Properties of Santafeite

Adamantine
Colour:
Black
Streak:
Brown
Tenacity:
Very brittle
Cleavage:
Very Good
{010} perfect, {110} distinct
Density:
3.379 g/cm3 (Measured)    3.39 g/cm3 (Calculated)

Optical Data of Santafeite

Type:
Biaxial
RI values:
nα = 2.010
Max Birefringence:
δ = 2.010
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively weak

Chemical Properties of Santafeite

IMA Formula:
(Ca,Sr,Na)3(Mn2+,Fe3+)2Mn24+(VO4)4(OH,O)5 · 2H2O
Elements listed in formula:

Crystallography of Santafeite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 9.25 Å, b = 30.00 Å, c = 6.33 Å
Ratio:
a:b:c = 0.308 : 1 : 0.211
Unit Cell Volume:
V 1,756.58 ų (Calculated from Unit Cell)
Z:
4
X-Ray Powder Diffraction Data:
d-spacingIntensity
14.88 (100)
7.47 (50)
2.788 (40)
1.667 (40)
3.66 (30)
3.39 (50)
Comments:
Grants district, NM

Type Occurrence of Santafeite

Place of Conservation of Type Material:
National Museum of Natural History, Washington, DC, USA

Relationship of Santafeite to other Species

Common Associates:
8.DM.05MoriniteNaCa2Al2(PO4)2(OH)F4 · 2H2O
8.DM.05EsperanzaiteNaCa2Al2(AsO4)2F4(OH) · 2H2O
8.DM.10ClinotyroliteCa2Cu9(AsO4,SO4)4(OH,O)10 · 10H2O
8.DM.10TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
8.DM.15Betpakdalite-CaCa[Ca2(H2O)17Ca(H2O)6][Mo86+As25+Fe33+O36(OH)]
8.DM.15Melkovite[Ca2(H2O)15Ca(H2O)6][Mo86+P2Fe33+O36(OH)]
8.DM.15Betpakdalite-NaCa[Na2(H2O)17Ca(H2O)6][Mo86+As25+Fe33+O34(OH)3]
8.DM.20Phosphovanadylite-BaBa[V44+P2O8(OH)8]·12H2O
8.DM.20Phosphovanadylite-CaCaV44+P2O10(OH)6 · 12H2O
8.DM.25YukoniteCa7Fe153+(AsO4)9O16 · 25H2O
8.DM.30UdumineliteCa3Al8(PO4)2O12 · 2H2O
8.DM.35DelvauxiteCaFe43+(PO4)2(OH)8 · 4-5H2O
21.4.1Uvanite(UO2)2V65+O17 · 15H2O
21.4.2Vanuranylite(H3O)2(UO2)2(VO4)2 · 4H2O
21.4.3StrelkiniteNa2(UO2)2(VO4)2 · 6H2O
21.4.4CarnotiteK2(UO2)2(VO4)2 · 3H2O
21.4.5MargaritasiteCs2(UO2)2(VO4)2 · H2O
21.4.6SengieriteCu2(UO2)2(VO4)2(OH)2 · 6H2O
21.4.7MetatyuyamuniteCa(UO2)2(VO4)2 · 3H2O
21.4.8TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
21.4.9RauviteCa(UO2)2V105+O28 · 16H2O
21.4.10FrancevilliteBa(UO2)2(VO4)2 · 5H2O
21.4.11MetavanuraliteAl(UO2)2(VO4)2(OH) · 8H2O
21.4.12VanuraliteAl(UO2)2(VO4)2(OH) · 11H2O
21.4.13CurienitePb(UO2)2(VO4)2 · 5H2O
21.4.14FritzscheiteMn2+(UO2)2(VO4,PO4)2 · 4H2O
21.4.15PalenzonaiteNaCa2Mn22+(VO4)3
21.4.17PyrobelonitePbMn2+VO4(OH)
21.4.18BrackebuschitePb2Mn3+(VO4)2(OH)
21.4.19ČechitePbFe2+VO4(OH)
21.4.20HeyitePb5Fe22+O4(VO4)2
21.4.21MounanaitePbFe23+(VO4)2(OH)2
21.4.22SchubneliteFe3+V5+O4 · H2O
21.4.23FervaniteFe43+V45+O16 · 5H2O
21.4.24KazakhstaniteFe53+V34+V125+O39(OH)9 · 8.5H2O
21.4.25Bokite(Al,Fe)1.3(V5+,V4+,Fe3+)8O20 · 7.5H2O
21.4.26Rusakovite(Fe,Al)5(VO4)2(OH)9 · 3H2O
21.4.27Kolovratite(Ni,Zn)xVO4 · nH2O

Other Names for Santafeite

Name in Other Languages:
German:Santafeit
Spanish:Santafeita

Other Information

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 Santafeite

Reference List:
Sun, M. S. and R.H. Weber (1958): Santafeite, a new hydrated vanadate from New Mexico. American Mineralogist 43, 677-687.

Dunn, P.J. and D.R. Peacor (1986): Santafeite, a re-examination and new empirical formula. Mineralogical Magazine 50, 299-300. [abstract: American Mineralogist (1987): 72: 1028]

Internet Links for Santafeite

mindat.org URL:
https://www.mindat.org/min-3525.html
Please feel free to link to this page.

Localities for Santafeite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Italy
 
  • Liguria
    • Genova Province
      • Ne
        • Graveglia Valley
Balestra, C., Bracco, R., Armellino, G., Leporatti, C., Callegari, A.M., Boiocchi, M., Costa, E., Ciriotti, M.E. (2012): Aggiornamenti di mineralogia sistematica ligure. Nuove specie della Val Graveglia. Micro 2/2012, 56-65.
Mexico
 
  • San Luis Potosí
    • Mun. de Rioverde
Planer-Friedrich, B. (2000). Hydrogeological and hydrochemical investigations in the Rio Verde Basin, Mexico. Freiberg Online Geoscience, 3, 1-145.
USA
 
  • Arizona
    • Navajo Co.
      • Navajo Indian Reservation
        • Monument Valley
          • Mystery Valley
            • Monument No. 1 channel
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 361.
  • New Mexico
    • McKinley Co.
      • Grants District
        • Ambrosia Lake Sub-district
Minerals of New Mexico 3rd ed.; Sun, M-S. and R.H.Weber: "Santafeite, a new hydrated vanadate from New Mexico", American Mineralogist (1958): 43: 677-687.
Mineral and/or Locality  
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