Zero valent dominant member of Pyrochlore Group (original) (raw)

A variety of Pyrochlore Group

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Photos of Zero valent dominant member of Pyrochlore Group (10)

Zero valent dominant member of Pyrochlore Group GallerySearch Photos of Zero valent dominant member of Pyrochlore Group

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02747280015602829024456.jpg

Samiresite

Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar

02969050015312860332549.jpg

Samiresite, etc.

Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar

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Samiresite

Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar

08255470015601741813133.jpg

Samiresite

Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar

00941190015308658823218.jpg

Samiresite, etc.

Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar

00710910017194777065253.jpg

Samiresite

Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar

02747280015602829024456.jpg

Samiresite

Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar

02969050015312860332549.jpg

Samiresite, etc.

Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar

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About Zero valent dominant member of Pyrochlore GroupHide

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Formula:

A2Nb2(O,OH)6Z

First Recorded Locality:

Panda Hill, Mbeya, Mbeya Region, Tanzania

A variety of Pyrochlore Group

A pyrochlore group member where there is a cation deficit comprised mainly of H2O or site vacancies. This name is used to describe any pyrochlore where it is not possible to specify more accurately than this.

Unique IdentifiersHide

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Mindat ID:

40348 (as Zero valent dominant member of Pyrochlore Group)
3316 (as Pyrochlore Group)

Long-form identifier:

mindat:1:1:40348:9 (as Zero valent dominant member of Pyrochlore Group)
mindat:1:1:3316:5 (as Pyrochlore Group)

GUID
(UUID V4):

306e3813-990f-4f71-8e66-9283d0c02885 (as Zero valent dominant member of Pyrochlore Group)
3a54fe93-40ce-4d2b-baa3-52597b88699b (as Pyrochlore Group)

Chemistry of Zero valent dominant member of Pyrochlore GroupHide

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Mindat Formula:

A2Nb2(O,OH)6Z

Elements listed:

H, Nb, O - search for minerals with similar chemistry

First Recorded Occurrence of Zero valent dominant member of Pyrochlore GroupHide

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First Recorded Locality:

Panda Hill, Mbeya, Mbeya Region, Tanzania

Synonyms of Zero valent dominant member of Pyrochlore GroupHide

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Bariopyrochlore

Bariopyrochlore (of Hogarth 1977)

Yttrobetafite (of Hogarth 1977) (in part)

Varieties of Zero valent dominant member of Pyrochlore GroupHide

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Samiresite A Pb-bearing variety of Zero valent dominant member of Pyrochlore GroupDescribed and named by Lacroix (1912) as a betafite with a content of Pb. It was found in a metamict state. Named after the locality, the Samiresy pegmatite in the Betafo district, V...

Common AssociatesHide

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Associated Minerals Based on Photo Data:

6 photos of Zero valent dominant member of Pyrochlore Group associated with Titan-uranoan Oxycalciopyrochlore (Ca,U,Na)2(Nb,Ti,Ta)2O6(O,OH)

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.

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mindat.org URL:

https://www.mindat.org/min-40348.html
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References for Zero valent dominant member of Pyrochlore GroupHide

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Reference List:

Christy, A. G., Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine, 77 (1) 13-20 doi:10.1180/minmag.2013.077.1.02

Localities for Zero valent dominant member of Pyrochlore GroupHide

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This 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.

Locality ListHide

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- 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.

Angola
Huambo Province Bailundo Bailundo Beleque (2010)
Brazil
Borborema mineral province Beurlen et al. (2005) +1 other reference
Goiás Catalão Catalão I carbonatite complex Orris et al. (2002)
Catalão II carbonatite complex Orris et al. (2002)
Minas Gerais Araxá Barreiro Traversa et al. (2001) +1 other reference
Tapira Tapira Complex Berger et al. (2009)
DR Congo
North Kivu Beni Territory Bashu Bingo carbonatite Mineral. Deposita (Berl.) +1 other reference
Rutshuru Territory Bwito Lueshe Mine Wall et al. (1996) +1 other reference
Greenland
Qeqqata Maniitsoq Island Maniitsoq Qaqqaarsuk Knudsen C (1989) +2 other references
Kenya
Kwale County Mrima Hill Mine Harris (1965)
Madagascar
Amoron'i Mania Fandriana Tsarazaza Vorondolo massif [var: Samiresite] Behier (1963)
Vakinankaratra Betafo District Fefena pegmatite [var: Samiresite] Lacroix (1922)
Tritriva Samiresy [var: Samiresite] Lacroix (1912) +1 other reference
Myanmar
Mandalay Region Pyin-Oo-Lwin District Mogok Township Kyauk-Pyat-That Thurein-taung Myan Gyi mine (Myaing-Gyi mine) Pavel M. Kartashov analytical data (2010)
Romania
Harghita County Ditrău Complex Hirtopanu (2006)
Russia
Buryatia Mama River Basin Maigunda River Burpala alkaline massif Ganzeev et al. (1969) +1 other reference
Murmansk Oblast Khibiny Massif Kukisvumchorr Mt
Kolsky District Seblyavr Massif Sorokhtina et al. (2008)
Northern Karelia Alakurtti pegmatite Kalita (1959) +1 other reference
Sallanlatvi Massif Zaitsev et al. (2004)
Vuoriyarvi alkaline-ultrabasic massif ...
Tanzania (FRL)
Mbeya Region Mbeya Panda Hill (FRL) Richard Gaines +3 other references
USA
Wisconsin Marathon County Wausau Intrusive Complex Stettin pluton Dehnel's pit Anthony (1997)