Strüverite
A variety of Rutile
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About Strüverite
Formula:
(Ti,Ta,Fe)O2
Hardness:
6 - 6½
Name:
Named after Giovanni Strüver (1842-1915), Professor of Mineralogy, University of Rome, Rome, Italy.
A variety of Rutile
A Ta- and Fe-bearing variety of rutile.
Compare also ilmenorutile. The name strüverite has been used if Ta > Nb and if Nb = Ta or Nb> Ta the variety has been classified as ilmenorutile.
A Ta- and Fe-bearing variety of rutile.
Compare also ilmenorutile. The name strüverite has been used if Ta > Nb and if Nb = Ta or Nb> Ta the variety has been classified as ilmenorutile.
Unique Identifiers
Mindat ID:
3812 (as Strüverite)
3486 (as Rutile)
3486 (as Rutile)
Long-form identifier:
mindat:1:1:3812:2 (as Strüverite)
mindat:1:1:3486:5 (as Rutile)
mindat:1:1:3486:5 (as Rutile)
GUID
(UUID V4):
(UUID V4):
b7d0d81f-793e-40c9-92cc-7bb5ab6a9674 (as Strüverite)
c7e837a5-defc-41fa-b046-d464b16a741f (as Rutile)
c7e837a5-defc-41fa-b046-d464b16a741f (as Rutile)
Classification of Strüverite
4.4.1.3
4 : SIMPLE OXIDES
4 : AX2
4 : SIMPLE OXIDES
4 : AX2
18.1.50
18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U
18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U
Physical Properties of Strüverite
Hardness:
6 - 6½ on Mohs scale
Optical Data of Strüverite
Type:
Uniaxial (+)
Chemistry of Strüverite
Mindat Formula:
(Ti,Ta,Fe)O2
Elements listed:
Synonyms of Strüverite
Other Language Names for Strüverite
Common Associates
Associated Minerals Based on Photo Data:
3 photos of Strüverite associated with Tanteuxenite-(Y) | Y(Ta,Nb,Ti)2(O,OH)6 |
3 photos of Strüverite associated with Albite | Na(AlSi3O8) |
3 photos of Strüverite associated with Quartz | SiO2 |
3 photos of Strüverite associated with Uranmicrolite (of Hogarth 1977) | (Ca,U,Na)2-x(Ta,Nb)2(O,OH)7 |
1 photo of Strüverite associated with Orthoclase | K(AlSi3O8) |
1 photo of Strüverite associated with Microcline | K(AlSi3O8) |
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.
Internet Links for Strüverite
mindat.org URL:
https://www.mindat.org/min-3812.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Mineral Dealers:
References for Strüverite
Localities for Strüverite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Australia | |
| Jacobson et al. (2007) |
| Jacobson et al. (2007) |
| Econ Geol (1995) |
Brazil | |
| Specimen in the collection of Richard ... |
| Beurlen et al. (2008) |
| Revista Brasileira de Geociências 21 (1) |
Beurlen et al. (2008) | |
| Beurlen et al. (2005) +1 other reference |
Beurlen et al. (2013) | |
| Beurlen et al. (2008) |
Beurlen et al. (2008) | |
Bulgaria | |
| Svetoslav Petrussenko et al. (2007) |
Canada | |
| ontariominerals.com |
Tindle et al. (2002) | |
| ontariominerals.com |
China | |
| Jinchu Zhu et al. (2001) |
Jinchu Zhu et al. (2001) | |
Jinchu Zhu et al. (2001) +1 other reference | |
| National Geological Archives of China ... |
Czech Republic | |
| A. Tomek photo |
Finland | |
| Wilke (1976) |
France | |
| van den Berg (1987) |
Italy | |
| Roggiani (1970) +1 other reference |
| Callegari A. |
| P. Orlandi (1983) |
Kazakhstan | |
| Oitseva et al. (2017) |
| Jeremolenko (2002) |
| World of Stones |
Madagascar | |
| Lacroix (1922) |
| Jeff Scovil photo (photo-398372) |
| Mücke et al. (1978) |
| Pezzotta (1999) |
| Moore (2008) |
| Jason McAvoy collection & photo (Ex. Philadelphia Academy of Natural Sciences No. 21079) |
Ungemach (1916) +1 other reference | |
| Lacroix (1922) |
| Ranorosoa (1986) |
| Lacroix (1922) |
Pezzotta (2001) | |
Malaysia | |
| Geol. Soc. Malaysia |
| Hoe et al. (2003) |
Mozambique | |
| Wilson et al. (2000) |
| Lima de Faria et al. (1966) +1 other reference |
| Moiana (2010) |
Norway | |
| Larsen (1982) |
Romania | |
| Hirtopanu (2006) |
Russia | |
| Ryazantseva (2001) |
Seltmann et al. (2010) | |
| Alekseev et al. (2020) |
| webcenter.ru (2002) |
| Grant (2001) |
Slovakia | |
| Uher et al. (2006) |
| Koděra (1986) |
| Koděra (1986) |
South Africa | |
| Cairncross et al. (1995) |
Spain | |
| Garófano-Medina et al. (2021) +1 other reference |
Thailand | |
| amdis.bgl.esdm.go.id (2016) |
UK | |
| |
Ukraine | |
| Liventseva (n.d.) |
USA | |
| Karl Estes (1998) +1 other reference |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Betts (1999) |
| Jarnot (1989) |
| Michael N. Spilde et al. (2016) |
| Smith et al. (2000) |
| Rocks & Minerals: 57: 160 &/or 60: 110 ... |
USGS Prof Paper 297A +1 other reference | |
| T.W. Buchholz et al. (2000) |
Ialamitana Pegmatites, Sahanivotry Manandona, Antsirabe II District, Vakinankaratra, Madagascar