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Tombarthite-(Y)

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Høgetveit (Høgtveit), Evje og Hornnes, Aust-Agder, Norway
© Maurice de Graaf

Show Tombarthite-(Y) Photos (2)
Formula:
Y
 
4
[HSiO
 
4
]
 
3
Colour:Brown- blackHardness:5 - 6
Name:Named after Thomas Fredrik Weiby Barth (1899-1971), professor of geology, Oslo University, Norway.
This page provides mineralogical data about Tombarthite-(Y).

Classification of Tombarthite-(Y)

IMA status:Approved 1967
Strunz 8th edition ID:8/A.11-20
Nickel-Strunz 10th (pending) edition ID:9.AD.35

9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination
Dana 8th edition ID:51.5.3.2

51 : NESOSILICATES Insular SiO4 Groups Only
5 : Insular SiO4 Groups Only with cations in >[6] coordination
Hey's CIM Ref.:14.8.4

14 : Silicates not Containing Aluminum
8 : Silicates of Group III metals other than Al
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Type Occurrence of Tombarthite-(Y)

Type Locality:Høgetveit (Høgtveit), Evje og Hornnes, Aust-Agder, Norway

Physical Properties of Tombarthite-(Y)

Lustre:Dull
Colour:Brown- black
Hardness (Mohs):5 - 6

Chemical Properties of Tombarthite-(Y)

Formula:
Y
 
4
[HSiO
 
4
]
 
3
Essential elements:H, O, Si, Y
All elements listed in formula:H, O, Si, Y

Relationship of Tombarthite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.AD.05Larnite
Ca
 
2
[SiO
 
4
]
9.AD.10Calcio-Olivine
Ca
 
2
[SiO
 
4
]
9.AD.15Merwinite
Ca
 
3
Mg[SiO
 
4
]
 
2
9.AD.20Bredigite
Ca
 
7
Mg[SiO
 
4
]
 
4
9.AD.25Andradite
Ca
 
3
Fe
3+
2
[SiO
 
4
]
 
3
9.AD.25Almandine
Fe
2+
3
Al
 
2
[SiO
 
4
]
 
3
9.AD.25Calderite
(Mn
2+
 
,Ca)
 
3
(Fe
3+
 
,Al)
 
2
[SiO
 
4
]
 
3
9.AD.25Goldmanite
Ca
 
3
(V
3+
 
,Al,Fe
3+
 
)
 
2
[SiO
 
4
]
 
3
9.AD.25Grossular
Ca
 
3
Al
 
2
[SiO
 
4
]
 
3
9.AD.25Henritermierite
Ca
 
3
(Mn
3+
 
,Al)
 
2
[(OH)
 
4
|(SiO
 
4
)
 
2
]
9.AD.25Hibschite
Ca
 
3
Al
 
2
[(OH)
 
6-1
|(SiO
 
4
)
 
1.5-2.5
]
9.AD.25Hydroandradite
Ca
 
3
Fe
3+
2
(SiO
 
4
)
 
3-x
(OH)
 
4x
9.AD.25Katoite
Ca
 
3
Al
 
2
[(OH)
 
8-6
|(SiO
 
4
)
 
1-1.5
]
9.AD.25Kimzeyite
Ca
 
3
(Zr,Ti)
 
2
[(Si,Al,Fe
3+
 
)O
 
4
]
 
3
9.AD.25Knorringite
Mg
 
3
Cr
 
2
[SiO
 
4
]
 
3
9.AD.25Majorite
Mg
 
3
(Fe
2+
 
,Si,Al)
 
2
[SiO
 
4
]
 
3
9.AD.25Morimotoite
Ca
 
3
(Ti,Fe
2+
 
,Fe
3+
 
)
 
2
[(Si,Fe
3+
 
)O
 
4
]
 
3
 (?)
9.AD.25Pyrope
Mg
 
3
Al
 
2
[SiO
 
4
]
 
3
9.AD.25Schorlomite
Ca
 
3
(Ti,Fe
3+
 
)
 
2
[(Si,Fe
3+
 
,Fe
2+
 
)O
 
4
]
 
3
9.AD.25Spessartine
Mn
2+
3
Al
 
2
[SiO
 
4
]
 
3
9.AD.25Uvarovite
Ca
 
3
Cr
 
2
[SiO
 
4
]
 
3
9.AD.25Wadalite
Ca
 
6
(Al,Mg)
 
4
[Cl
 
3
|O
 
4
|{(Si,Al,Fe
3+
 
)O
 
4
}
 
3
]
9.AD.25Holtstamite
Ca
 
3
(Al,Mn
3+
 
)
 
2
(SiO
 
4
)
 
2
(OH)
 
4
9.AD.25IMA2009-029
Ca
 
3
Zr
 
2
(Fe
3+
2
Si)O
 
12
9.AD.25IMA2009-033
Ca
 
3
Sn
 
2
(Fe
 
2
Si)O
 
12
9.AD.25IMA2009-026
(Mn
2+
 
,Ca)
 
3
V
3+
2
(SiO
 
4
)
 
3
9.AD.30Coffinite
(U,Th)[(OH)
 
4x
|(SiO
 
4
)
 
1-x
]
9.AD.30Hafnon
(Hf,Zr)[SiO
 
4
]
9.AD.30Thorite
(Th,U)[SiO
 
4
]
9.AD.30Thorogummite
(Th,U)[(OH)
 
4x
|(SiO
 
4
)
 
1-x
]
9.AD.30Zircon
Zr[SiO
 
4
]
9.AD.30Stetindite-(Ce)
Ce[SiO
 
4
]
9.AD.35Huttonite
Th[SiO
 
4
]
9.AD.40Eulytine
Bi
 
4
[SiO
 
4
]
 
3
9.AD.45Reidite
Zr[SiO
 
4
]
Related Minerals - Hey's Index Grouping:

- +
14.8.1Thalénite-(Y)
Y
 
3
Si
 
3
O
 
10
(OH)
14.8.2Keiviite-(Y)
(Y,Yb)
 
2
[Si
 
2
O
 
7
]
14.8.3Keiviite-(Yb)
(Yb,Y)
 
2
[Si
 
2
O
 
7
]
14.8.5Thortveitite
(Sc,Y)
 
2
[Si
 
2
O
 
7
]
14.8.6Sazhinite-(Ce)
Na
 
3
Ce[Si
 
6
O
 
15
] · 6H
 
2
O
14.8.7Monteregianite-(Y)
(Na,K)
 
6
(Y,Ca)
 
2
Si
 
16
O
 
38
·10H
 
2
O
14.8.8Iraqite-(La)
K(Ca,Na)
 
2
(La,Ce,Th)[(Si,Al)
 
8
O
 
20
]
14.8.9Ashcroftine-(Y)
K
 
5
Na
 
5
(Y,Ca)
 
12
Si
 
28
O
 
70
(OH)
 
2
(CO
 
3
)
 
8
·8H
 
2
O
14.8.10Nordite-(La)
(La,Ce)(Sr,Ca)Na
 
2
(Na,Mn)(Zn,Mg)Si
 
6
O
 
17
14.8.11Nordite-(Ce)
(Ce,La)(Sr,Ca)Na
 
2
(Na,Mn)(Zn,Mg)Si
 
6
O
 
17
14.8.12Jervisite
(Na,Ca,Fe
2+
 
)(Sc,Mg,Fe
2+
 
)[Si
 
2
O
 
6
]
14.8.13Cerite-(Ce)
(Ce,Ca)
 
9
(Fe,Mg)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
14.8.14Cascandite
Ca(Sc,Fe
3+
 
)[HSi
 
3
O
 
9
]

Other Names for Tombarthite-(Y)

Synonyms:
IMA1967-031
Other Languages:
German:Tombarthit-(Y)

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 Tombarthite-(Y)

Reference List:Lithos (1968): 1: 113-123.

American Mineralogist (1969): 54: 327-328.

Internet Links for Tombarthite-(Y)

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    Localities for Tombarthite-(Y)

    (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.
    Norway
     
    • Aust-Agder
      • Evje og Hornnes
    		Neumann & Nilssen (Lithos, 1968, 1, 113-123); Neumann (1985, p. 140); Raade (1996, p. 71).
      • Iveland
    		Nilssen, B. (1971): Yttrialite from Ivedal, Iveland, South Norway. Nosk Geologisk Tidsskrift 51, 1-8 + Neumann (1985, p. 140).
    • Vest-Agder
      • Vennesla
    		Griffin et al. (1979); Neumann (1985, p. 125).
    Mineral and/or Locality
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    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: 9th Nov 2009 09:40:28