Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Tomichite

Formula:
(V,Fe)
 
4
Ti
 
3
AsO
 
13
OH
System:MonoclinicColour:Black
Hardness:6
Name:Named after S.A. Tomich, consulting geologist of Perth, Western Australia.
This page provides mineralogical data about Tomichite.

Classification of Tomichite

IMA status:Approved 1978
Strunz 8th edition ID:4/C.23-20
Nickel-Strunz 10th (pending) edition ID:4.JB.55

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
B : Arsenites, antimonites, bismuthites; with additional anions, without H2O
Dana 8th edition ID:46.2.3.1

46 : ANTIMONITES AND ARSENITES CONTAINING HYDROXYL OR HALOGEN
2 : Miscellaneous
Hey's CIM Ref.:23.22

23 : Arsenites
mindat.org URL:http://www.mindat.org/min-3993.html
Please feel free to link to this page.

Type Occurrence of Tomichite

Type Locality:Perseverance Mine (Boulder Perseverance Mine), Kalgoorlie, Kalgoorlie-Boulder City, Goldfields-Esperance region, Western Australia, Australia
Year of Discovery:1979

Physical Properties of Tomichite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Black
Streak:Black
Hardness (Mohs):6

Crystallography of Tomichite

Crystal System:Monoclinic
Cell Parameters:a = 7.1Å, b = 14.19Å, c = 4.99Å
β = 105.05°
Ratio:a:b:c = 0.5 : 1 : 0.352
Unit Cell Volume:V 485.49 ų (Calculated from Unit Cell)

Chemical Properties of Tomichite

Formula:
(V,Fe)
 
4
Ti
 
3
AsO
 
13
OH
Essential elements:As, H, O, Ti, V
All elements listed in formula:As, Fe, H, O, Ti, V

Relationship of Tomichite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JB.05Fetiasite
(Fe
3+
 
,Fe
2+
 
,Ti)
 
3
[O
 
2
|As
 
2
O
 
5
]
4.JB.10Manganarsite
Mn
 
3
[(OH)
 
4
|As
 
2
O
 
4
]
4.JB.15Magnussonite
Mn
 
10
As
 
6
O
 
18
(OH,Cl)
 
2
4.JB.15UM1984-09-AsO:ClHMn
Mn
 
10
As
 
6
O
 
18
(OH)Cl
4.JB.20Armangite
Mn
2+
26
[CO
 
3
|(HAsO
 
3
)
 
4
|(AsO
 
3
)
 
14
]
4.JB.25Nanlingite
NaCa
 
6
(Mg,Fe,Li)
 
12
(AsO
 
3
)
 
2
[Fe(AsO
 
3
)
 
6
]F
 
14
·
4.JB.30Asbecasite
Ca
 
3
(Ti,Sn
4+
 
)Be
 
2
[(AsO
 
3
)
 
3
|SiO
 
4
]
 
2
4.JB.35Stenhuggarite
CaFeSbO(AsO
 
3
)
 
2
4.JB.40Trigonite
Pb
 
3
Mn
2+
 
[HAsO
 
3
|(AsO
 
3
)
 
2
]
4.JB.45Finnemanite
Pb
 
5
[Cl|(AsO
 
3
)
 
3
]
4.JB.50Gebhardite
Pb
 
8
[O|Cl
 
6
|(As
 
2
O
 
5
)
 
2
]
4.JB.55Derbylite
(Fe,Fe,Ti)
 
7
SbO
 
13
(OH)
4.JB.55Graeserite
(Fe
3+
 
,Ti)
 
4
Ti
 
3
AsO
 
13
(OH)
4.JB.60Hemloite
(As,Sb)
 
2
(Ti,V,Fe,Al)
 
12
O
 
23
(OH)
4.JB.65Freedite
Pb
 
15
(Cu,Fe
2+
 
)
 
3
[O
 
7
|Cl
 
10
|(AsO
 
3
)
 
4
]
4.JB.70Georgiadèsite
Pb
 
16
[(OH)
 
6
|Cl
 
14
|(AsO
 
4
)
 
4
]
4.JB.75Ekatite
(Fe
3+
 
,Fe
2+
 
,Zn)
 
12
(OH)
 
6
(AsO
 
3
)
 
6
[AsO
 
3
,HOSiO
 
3
]
 
2
Related Minerals - Hey's Index Grouping:

- +
23.2Nanlingite
NaCa
 
6
(Mg,Fe,Li)
 
12
(AsO
 
3
)
 
2
[Fe(AsO
 
3
)
 
6
]F
 
14
·
23.3Leiteite
Zn[As
 
2
O
 
4
]
23.5Kuznetsovite
(Hg-Hg)Hg
2+
 
[Cl|AsO
 
4
]
23.6Paulmooreite
Pb
 
2
[As
 
2
O
 
5
]
23.7Ecdemite
Pb
 
6
[As
 
2
O
 
7
|Cl
 
4
]
23.8Heliophyllite
Pb
 
3
AsO
 
4-n
Cl
 
2n+1
23.9Finnemanite
Pb
 
5
[Cl|(AsO
 
3
)
 
3
]
23.10Gebhardite
Pb
 
8
[O|Cl
 
6
|(As
 
2
O
 
5
)
 
2
]
23.11Zimbabweite
(Na,K)
 
2
PbAs
 
4
(Ta,Nb,Ti)
 
4
O
 
18
23.13Rouseite
Pb
 
2
Mn
2+
 
[AsO
 
3
]
 
2
 · 2H
 
2
O
23.14Freedite
Pb
 
15
(Cu,Fe
2+
 
)
 
3
[O
 
7
|Cl
 
10
|(AsO
 
3
)
 
4
]
23.15Manganarsite
Mn
 
3
[(OH)
 
4
|As
 
2
O
 
4
]
23.17Armangite
Mn
2+
26
[CO
 
3
|(HAsO
 
3
)
 
4
|(AsO
 
3
)
 
14
]
23.18Karibibite
Fe
 
2
As
 
4
O
 
9
23.19Schneiderhöhnite
Fe
2+
 
Fe
3+
3
[As
 
5
O
 
13
]
23.20Lazarenkoite
(Ca,Fe)FeAs
 
3
O
 
7
·3H
 
2
O
23.21Stenhuggarite
CaFeSbO(AsO
 
3
)
 
2

Other Names for Tomichite

Synonyms:
IMA1978-074
Other Languages:
German:Tomichit
Russian:Томичит
Spanish:Tomichita

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 Tomichite

Reference List:Mineralogical Magazine (1979): 43: 469-471.

American Mineralogist (1980): 65: 811.

American Mineralogist (1987): 72: 201-208.

Internet Links for Tomichite

Search Engines:
  • Look for Tomichite on Google
  • Look for Tomichite images on Google
    • External Links:
  • Look for Tomichite on Webmineral
  • Look for Tomichite on Athena Mineralogy
  • Look for Tomichite on Wikipedia
  • Look for Tomichite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Tomichite in the Natural History Museum (London) online catalogue
  • Tomichite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Wilensky Fine Minerals
  • Find Tomichite on www.crystalclassics.co.uk
  • Fabre Minerals - search for Tomichite specimens
  • Edwards Minerals - Fine Specimens
  • Rare and Unusual minerals at Mineralogical Research Company
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • The Arkenstone - Fine Minerals
  • rare and unusual minerals mainly crystallized
  • Buy Fine Minerals from mineralsweb.com
  • Buy Minerals and Crystals from Crystalarium.com
  • Buy minerals from Mineralium.com
  • Wendel Minerals - Auktion & Shop
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Tomichite

    Hide Locality List
    The 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. ? 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
      • Goldfields-Esperance region
        • Kalgoorlie-Boulder City
          • Kalgoorlie
    		MM 1980, 469
    Canada
     
    • Ontario
      • Thunder Bay District
        • Marathon
          • Hemlo gold deposit
    		Mineralogical Magazine 1988 52 : 691-697
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 10th Nov 2009 12:37:35