Tombarthite-(Y) (original) (raw)
A discredited species name
About Tombarthite-(Y)Hide
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Formula:
Y4(Si,H4)4O12-x(OH)4+2x
Crystal System:
Monoclinic
Name:
Named after Thomas Fredrik Weiby Barth (1899-1971), professor of geology, Oslo University, Norway.
A mixture of metamict and crystalline phases, among them thalénite-(Y), xenotime-(Y) and kainosite-(Y).
Described as a new mineral by Neumann & Nilssen (1968). Friis (2018, 2019) has re-examined the original material (neotype) and showed that the samples are heterogeneous, and a mixture of metamict and crystalline phases. The original chemical analyses were done on heated material, which removed elements such as C and F, and thus erroneously. The mineral was discredited by IMA in 2016.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:3992:1
5bcbb0f8-ea8f-424e-9ebe-9d6c7665dd81
IMA Classification of Tombarthite-(Y)Hide
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First description reference:
Classification of Tombarthite-(Y)Hide
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9.AD.35
9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination
51.5.3.2
51 : NESOSILICATES Insular SiO4 Groups Only
5 : Insular SiO4 Groups Only with cations in >[6] coordination
14.8.4
14 : Silicates not Containing Aluminum
8 : Silicates of Group III metals other than Al
Physical Properties of Tombarthite-(Y)Hide
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Chemistry of Tombarthite-(Y)Hide
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Mindat Formula:
Y4(Si,H4)4O12-x(OH)4+2x
(x ≤ 4)
Crystallography of Tombarthite-(Y)Hide
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Crystal System:
Monoclinic
Comment:
Partially metamict
First Recorded Occurrence of Tombarthite-(Y)Hide
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General Appearance of First Recorded Material:
Geological Setting of First Recorded Material:
Precambrian granite pegmatite dyke
Reference:
Neumann, H., Nilssen, B. (1968) Tombarthite, a new mineral from Høgetveit, Evje, South Norway. Lithos: 1: 113-123.
Synonyms of Tombarthite-(Y)Hide
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Other Language Names for Tombarthite-(Y)Hide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
| 1 photo of Tombarthite-(Y) associated with Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
|---|
Related Minerals - Strunz-mindat GroupingHide
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| 9.AD. | Adrianite | Ca12(Al4Mg3Si7)O32Cl6 | Iso. 43_m_ : I_43_d |
|---|---|---|---|
| 9.AD.05 | Larnite | Ca2SiO4 | Mon. 2/m |
| 9.AD.10 | Calcio-olivine | Ca2SiO4 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 9.AD.15 | Merwinite | Ca3Mg(SiO4)2 | Mon. 2/m : _P_21/b |
| 9.AD.20 | Bredigite | Ca7Mg(SiO4)4 | Orth. m _m_2 : P n _n_2 |
| 9.AD.25 | Andradite | Ca3Fe3+2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Almandine | Fe2+3Al2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Calderite | Mn2+3Fe3+2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Goldmanite | Ca3V3+2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Grossular | Ca3Al2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Henritermierite | Ca3Mn3+2(SiO4)2[◻(OH)4] | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a c d |
| 9.AD.25 | Kimzeyite | Ca3Zr2(SiO4)(AlO4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Knorringite | Mg3Cr2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Majorite | Mg3(MgSi)(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Morimotoite | Ca3(TiFe2+)(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Pyrope | Mg3Al2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Schorlomite | Ca3Ti2(SiO4)(Fe3+O4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Spessartine | Mn2+3Al2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Uvarovite | Ca3Cr2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Wadalite | (Ca,Mg)6(Al,Fe3+)4((Si,Al)O4)3O4Cl3 | Iso. 43_m_ : I_43_d |
| 9.AD.25 va | Hydrougrandite | (Ca,Mg,Fe2+)3(Fe3+,Al)2[(OH)4(SiO4)2] | Iso. |
| 9.AD.25 va | Yamatoite | (Mn2+,Ca)3(V3+,Al)2(SiO4)3 | Iso. |
| 9.AD.25 | Holtstamite | Ca3Al2(SiO4)2[◻(OH)4] | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a c d |
| 9.AD.25 | Khoharite | Mg3Fe3+2(SiO4)3 | |
| 9.AD.25 | Kerimasite | Ca3Zr2(SiO4)(Fe3+O4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Toturite | Ca3Sn2(SiO4)(Fe3+O4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Momoiite | Mn2+3V3+2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Eringaite | Ca3Sc2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Irinarassite | Ca3Sn2(SiO4)(AlO4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Menzerite-(Y) | (Y2Ca)Mg2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Eltyubyuite | Ca12Fe3+10Si4O32Cl6 | Iso. 43_m_ : I_43_d |
| 9.AD.25 | Blythite | Mn2+3Mn3+2[SiO4]3 | |
| 9.AD.25 | Skiagite | Fe2+3Fe3+2[SiO4]3 | |
| 9.AD.25 | Hutcheonite | Ca3Ti2(SiO4)(AlO4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | UM1984-37-SiO:CrMn | Mn2+3Cr3+2(SiO4)3 | |
| 9.AD.25 | Rubinite | Ca3Ti3+2Si3O12 | Iso. |
| 9.AD.25 | Nikmelnikovite | Ca12(Fe2+Fe3+3Al3◻)[SiO4]6[◻(OH)4]5◻4 | Trig. 3 : _R_3 |
| 9.AD.25 | Midbarite | Ca3Mg2(V2Si)O12 | Iso. m_3_m _(_4/_m_32/m ) |
| 9.AD.30 va | Auerlite | near Th(Si,P)O4 | |
| 9.AD.30 | Coffinite | U(SiO4) · nH2O | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a m d |
| 9.AD.30 | Hafnon | HfSiO4 | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a m d |
| 9.AD.30 | Thorite | Th(SiO4) | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a m d |
| 9.AD.30 | Zircon | Zr(SiO4) | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a m d |
| 9.AD.30 | Stetindite-(Ce) | Ce(SiO4) | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a m d |
| 9.AD.35 | Huttonite | ThSiO4 | Mon. 2/m |
| 9.AD.40 | Eulytine | Bi4(SiO4)3 | Iso. 43_m_ : I_43_d |
| 9.AD.45 | Reidite | ZrSiO4 | Tet. 4/m : _I_41/a |
| 9.AD.55 | Jeffbenite | Mg3Al2Si3O12 | Tet. 42_m_ : I_42_d |
Other InformationHide
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Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Tombarthite-(Y)Hide
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References for Tombarthite-(Y)Hide
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Localities for Tombarthite-(Y)Hide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
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Locality ListHide
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