Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Mendozavilite-NaFe

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Rustler Mine, Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA
© 2005 M. Kampf

Show Mendozavilite-NaFe Photos (10)



Formula:
[Na
 
2
(H
 
2
O)
 
15
Fe
3+
 
(H
 
2
O)
 
6
][Mo
 
8
P
 
2
Fe
3+
3
O
 
35
(OH)
 
2
]
Hardness:1½
Member of:Mendozavillite Group
Name:Named in honor of Heriberto Mendoza Avila (1924– ), Phelps Dodge exploration geologist, who found the first specimen.


Formerly called mendozavilite; redefined in 2010 (IMA 10-E).

Classification of Mendozavilite-NaFe

IMA status:Redefined Approved 2010
Strunz 8th edition ID:7/D.57-10
Nickel-Strunz 10th (pending) edition ID:7.GB.45

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
B : With additional anions and/or H2O
Dana 8th edition ID:49.4.5.1

49 : HYDRATED MOLYBDATES AND TUNGSTATES
4 : Compound Molybdates and Tungstates
Hey's CIM Ref.:22.5.6

22 : Phosphates, Arsenates or Vanadates with other Anions
5 : Phosphates, arsenates or vanadates with chromate, molybdate, niobate or tantalate
mindat.org URL:http://www.mindat.org/min-2642.html
Please feel free to link to this page.

Type Occurrence of Mendozavilite-NaFe

Type Locality:San Judas Mine, Cumobabi, La Verde District, Mun. de Moctezuma, Sonora, Mexico
Year of Discovery:1980

Physical Properties of Mendozavilite-NaFe

Hardness (Mohs):1½

Optical Data of Mendozavilite-NaFe

Type:Biaxial (+)
RI values: nα = 1.762 nβ = 1.763 nγ = 1.766
2V:Measured: 5° to 15°, Calculated: 62°
Maximum Birefringence:δ = 0.004

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:very strong

Chemical Properties of Mendozavilite-NaFe

Formula:
[Na
 
2
(H
 
2
O)
 
15
Fe
3+
 
(H
 
2
O)
 
6
][Mo
 
8
P
 
2
Fe
3+
3
O
 
35
(OH)
 
2
]
Essential elements:Fe, H, Mo, Na, O, P
All elements listed in formula:Fe, H, Mo, Na, O, P

Relationship of Mendozavilite-NaFe to other Species

Member of:Mendozavillite Group
Other Members of Group:

- +
Melkovite
[Ca
 
2
(H
 
2
O)
 
15
Ca(H
 
2
O)
 
6
][Mo
 
8
P
 
2
Fe
3+
3
O
 
36
(OH)]
Mendozavilite-KCa
[K
 
2
(H
 
2
O)
 
15
Ca(H
 
2
O)
 
6
][Mo
 
8
P
 
2
Fe
3+
3
O
 
34
(OH)
 
3
]
Related Minerals - Nickel-Strunz Grouping):

- +
7.GB.05Lindgrenite
Cu
 
3
(MoO
 
4
)
 
2
(OH)
 
2
7.GB.10Szenicsite
Cu
 
3
(MoO
 
4
)(OH)
 
4
7.GB.15Cuprotungstite
Cu
 
2
(WO
 
4
)(OH)
 
2
7.GB.15UM1999-38-WO:CrV
(V, Cr, W, O, H) [V:Cr:W ratio about 2:1:3]
7.GB.20Phyllotungstite
(H
 
2
O,M)
 
x
(W,Fe)(O,OH)
 
3
 · yH
 
2
O (M = Ca, Cs, Pb or K)
7.GB.25Rankachite
Ca
 
0.5
(V
4+
 
,V
5+
 
)(W
6+
 
,Fe
3+
 
)
 
2
O
 
8
(OH) · 2H
 
2
O
7.GB.30Ferrimolybdite
Fe
 
2
(MoO
 
4
)
 
3
 · nH
 
2
O
7.GB.35Anthoinite
AlWO
 
3
(OH)
 
3
7.GB.35Mpororoite
WAlO
 
3
(OH)
 
3
 · 2(H
 
2
O)
7.GB.40Obradovicite-KCu
[K
 
2
(H
 
2
O)
 
17
Cu(H
 
2
O)
 
6
][Mo
 
8
As
 
2
Fe
3+
3
O
 
34
(OH)
 
3
]
7.GB.45Paramendozavilite
[KAl
 
4
(H
 
2
O)
 
30
][Mo
 
12
P
 
6
Fe
3+
6
O
 
60
(OH)
 
13
]
7.GB.50Tancaite-(Ce)
FeCe(MoO
 
4
)
 
3
·3H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
22.5.1Vauquelinite
Pb
 
2
Cu(CrO
 
4
)(PO
 
4
)(OH)
22.5.2Embreyite
Pb
 
5
(CrO
 
4
)
 
2
(PO
 
4
)
 
2
 · H
 
2
O
22.5.3Cassedanneite
Pb
 
5
(CrO
 
4
)
 
2
(VO
 
4
)
 
2
 · H
 
2
O
22.5.4Fornacite
Pb
 
2
Cu(CrO
 
4
)(AsO
 
4
)(OH)
22.5.5Molybdofornacite
Pb
 
2
Cu(MoO
 
4
,CrO
 
4
)(AsO
 
4
,PO
 
4
)(OH)
22.5.7Paramendozavilite
[KAl
 
4
(H
 
2
O)
 
30
][Mo
 
12
P
 
6
Fe
3+
6
O
 
60
(OH)
 
13
]
22.5.8Betpakdalite-CaCa
[Ca
 
2
(H
 
2
O)
 
17
Ca(H
 
2
O)
 
6
][Mo
6+
8
As
5+
2
Fe
3+
3
O
 
36
(OH)]
22.5.9Betpakdalite-NaCa
[Na
 
2
(H
 
2
O)
 
17
Ca(H
 
2
O)
 
6
][Mo
6+
8
As
5+
2
Fe
3+
3
O
 
34
(OH)
 
3
]
22.5.10Obradovicite-KCu
[K
 
2
(H
 
2
O)
 
17
Cu(H
 
2
O)
 
6
][Mo
 
8
As
 
2
Fe
3+
3
O
 
34
(OH)
 
3
]
22.5.11Melkovite
[Ca
 
2
(H
 
2
O)
 
15
Ca(H
 
2
O)
 
6
][Mo
 
8
P
 
2
Fe
3+
3
O
 
36
(OH)]
22.5.12Rankachite
Ca
 
0.5
(V
4+
 
,V
5+
 
)(W
6+
 
,Fe
3+
 
)
 
2
O
 
8
(OH) · 2H
 
2
O
22.5.13Olmsteadite
KFe
2+
2
(Nb
5+
 
,Ta
5+
 
)(PO
 
4
)
 
2
O
 
2
 · 2H
 
2
O
22.5.14Johnwalkite
K(Mn
2+
 
,Fe
2+
 
,Fe
3+
 
)
 
2
(Nb
5+
 
,Ta
5+
 
)(PO
 
4
)
 
2
O
 
2
 · 2(H
 
2
O,OH)

Other Names for Mendozavilite-NaFe

Synonyms:
IMA1982-009Mendozavilite
Other Languages:
German:Mendozavilit
Spanish:Mendozavilita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Mendozavilite-NaFe

Reference List:

- +
Boletín de Mineralogía (Sociadad Mexicana Mineralogía)(1986): 2: 13-19.

American Mineralogist (1988): 73: 193 (abstract)

Australian Journal of Mineralogy (2002): 8: 11-15.

Internet Links for Mendozavilite-NaFe

Search Engines:
  • Look for Mendozavilite-NaFe on Google
  • Look for Mendozavilite-NaFe images on Google
    • External Links:
  • Mendozavilite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • The Arkenstone - Fine Minerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Fine Minerals from Weinrich Minerals, Inc.
  • Fabre Minerals - search for Mendozavilite-NaFe specimens
  • High-end worldwide specimens & outstanding customer service
  • Buy RARE Minerals from Rocks of Africa
  • Search for - Mendozavilite-NaFe - on e-Rocks Mineral Sales & Auctions
  • rare and unusual minerals mainly crystallized
  • Find Mendozavilite-NaFe on www.crystalclassics.co.uk
  • Search for minerals at Heliodor
  • SpiriferMinerals.com - high quality low prices
  • Buy fine minerals and gemstones from Pala International
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Mendozavilite-NaFe

    Hide Locality List
    (TL) indicates type locality. ? 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.
    Australia
     
    • Western Australia
      • Ravensthorpe Shire
    		W.D. Birch, A. Pring & K. Wallwork (2002) Mendozavilite from the Fitzgerald River District, Western Australia, Australian Journal of Mineralogy, 8, 11-15.
    Mexico
     
    • Sonora
      • Mun. de Moctezuma
        • La Verde District
          • Cumobabi
    		Bol. de Mineral.(1986) 2, 13-19; Panczner (1987): 136, 269, 292.
    USA
     
    • Utah
      • Tooele Co.
        • Deep Creek Mts
    		Min Rec 20:1 pp69-75
    Handbook of Mineralogy
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 22nd Mar 2013 01:20:11
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds