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Calciopyrochlore

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Photos of Calciopyrochlore (50)Recorded Ages and Analyses Discuss Calciopyrochlore

Calciopyrochlore Gallery Search Photos of Calciopyrochlore

Edit Calciopyrochlore Add Synonym Edit CIF structures Clear Cache

Calciopyrochlore

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Oxycalciopyrochlore

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Calciopyrochlore, etc.

Ohrberg Quarry, Ohrberg - Badberg area, Schelingen, Vogtsburg im Kaiserstuhl, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany

Calciopyrochlore

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Oxycalciopyrochlore

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Calciopyrochlore, etc.

Ohrberg Quarry, Ohrberg - Badberg area, Schelingen, Vogtsburg im Kaiserstuhl, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany

Calciopyrochlore

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Oxycalciopyrochlore

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

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About CalciopyrochloreHide

Synonym of:

Fluorcalciopyrochlore, Hydroxycalciopyrochlore, Oxycalciopyrochlore

Calciopyrochlore is actually a subgroup of the Pyrochlore Supergroup. The calciopyrochlores have known Ca-dominant and Nb-dominant sites, but the H2O, OH, and F contents are unknown.

Unique IdentifiersHide

Mindat ID:

40349

Long-form identifier:

mindat:1:1:40349:8

Chemical AnalysisHide

Oxide wt%:

	1	2	3	4	5
Na₂O	2,18 %	2,15 %	0,12 %
CaO	14,06 %	13,92 %	6,57 %	6,58 %	5,74 %
Fe₂O₃	1,32 %	1,30 %	1,42 %	1,35 %	1,20 %
TiO₂	10,55 %	10,44 %	9,56 %	9,48 %	10,12 %
Nb₂O₅	27,91 %	27,62 %	26,70 %	27,39 %	26,98 %
Ta₂O₅	18,22 %	18,03 %	19,06 %	17,52 %	17,86 %
UO₂	25,12 %	24,87 %	24,40 %	24,15 %	23,94 %
H₂O	0,64 %	1,67 %	12,17 %	13,53 %	14,16 %
Total:	97 %	96 %	97 %	97 %	96 %

Empirical formulas:

Sample ID	Empirical Formula
6	(Ca_1.08Na_0.67U⁴⁺_0.03Ce_0.03La_0.02)(Nb_1.74Ti_0.21Ta_0.05(O_6.00(OH)_0.89·nH₂O
1	(Ca1.14U0.42Na0.32)?1.88(Nb0.95Ti0.60Ta0.37Fe0.08)?2O6.00[O0.61(OH)0.32]?0.93 on the basis of Nb+Ti+Ta+Fe=2

Sample references:

ID	Locality	Reference
1	Atagoyama, Koriyama City, Fukushima Prefecture, Japan	Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1
2	" "	Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1
3	" "	Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1
4	" "	Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1
5	" "	Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1
6	Vishnevye Mountains, Chelyabinsk Oblast, Russia	Chukanov, Nikita V. (2014) Springer Geochemistry/Mineralogy - Infrared spectra of mineral species. Springer Netherlands. doi:10.1007/978-94-007-7128-4p.496

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0020233	Hydroxycalciopyrochlore	Yang G, Li G, Xiong M, Pan B, Yan C (2014) Hydroxycalciopyrochlore, a new mineral species from Sichuan, China Acta Geologica Sinica 88 748-753		2014	Maoniuping mine, Mianning County, Xichang prefecture, Sichuan Province, China	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Hydroxycalciopyrochlore'
loop_
_publ_author_name
'Yang G'
'Li G'
'Xiong M'
'Pan B'
'Yan C'
_journal_name_full 'Acta Geologica Sinica'
_journal_volume 88 
_journal_year 2014
_journal_page_first 748
_journal_page_last 753
_publ_section_title
;
 Hydroxycalciopyrochlore, a new mineral species from Sichuan, China
;
_database_code_amcsd 0020233
_chemical_compound_source 'Maoniuping mine, Mianning County, Xichang prefecture, Sichuan Province, China'
_chemical_formula_sum 'Ca.74 Na.58 U.4 Ce.05 Fe.02 (Nb1.15 Ti.8 Ta.03 Al.01 Mg.01) O6.91 (F.09 H.91)'
_cell_length_a 10.381
_cell_length_b 10.381
_cell_length_c 10.381
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1118.710
_exptl_crystal_density_diffrn      4.876
_symmetry_space_group_name_H-M 'F d 3 m'
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loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ca1   0.00000   0.50000   0.50000   0.37000
Na1   0.00000   0.50000   0.50000   0.29000
U1   0.00000   0.50000   0.50000   0.20000
Ce1   0.00000   0.50000   0.50000   0.02500
Fe1   0.00000   0.50000   0.50000   0.01000
Nb2   0.75000   0.75000   0.50000   0.57500
Ti2   0.75000   0.75000   0.50000   0.40000
Ta2   0.75000   0.75000   0.50000   0.01500
Al2   0.75000   0.75000   0.50000   0.00500
Mg2   0.75000   0.75000   0.50000   0.00500
O1   0.87500   0.67700   0.37500   1.00000
O-H2   0.87500   0.37500   0.37500   0.91000
F2   0.87500   0.37500   0.37500   0.09000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ca1 0.01500 0.01500 0.01500 -0.00040 -0.00040 -0.00040
Na1 0.01500 0.01500 0.01500 -0.00040 -0.00040 -0.00040
U1 0.01500 0.01500 0.01500 -0.00040 -0.00040 -0.00040
Ce1 0.01500 0.01500 0.01500 -0.00040 -0.00040 -0.00040
Fe1 0.01500 0.01500 0.01500 -0.00040 -0.00040 -0.00040
Nb2 0.02100 0.02100 0.02100 -0.00060 0.00060 0.00060
Ti2 0.02100 0.02100 0.02100 -0.00060 0.00060 0.00060
Ta2 0.02100 0.02100 0.02100 -0.00060 0.00060 0.00060
Al2 0.02100 0.02100 0.02100 -0.00060 0.00060 0.00060
Mg2 0.02100 0.02100 0.02100 -0.00060 0.00060 0.00060
O1 0.02400 0.02400 0.02400 0.00000 0.00900 0.00000
O-H2 0.06000 0.06000 0.06000 0.00000 0.00000 0.00000
F2 0.06000 0.06000 0.06000 0.00000 0.00000 0.00000

Synonyms of CalciopyrochloreHide

Koppite

Common AssociatesHide

Associations Based on Photo Data:

2 photos of Calciopyrochlore associated with Magnesioferrite	MgFe³⁺₂O₄
1 photo of Calciopyrochlore associated with Forsterite	Mg₂(SiO₄)
1 photo of Calciopyrochlore associated with Apatite Group
1 photo of Calciopyrochlore associated with Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
1 photo of Calciopyrochlore associated with Perovskite	CaTiO₃
1 photo of Calciopyrochlore associated with Baddeleyite	ZrO₂

Other InformationHide

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 CalciopyrochloreHide

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References for CalciopyrochloreHide

Reference List:

Localities for CalciopyrochloreHide

Showing 104 localities.

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.

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Locality ListHide

- 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
Huíla Province Quilengues ⓘ Mount Bonga	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Amores-Casals et al. (2019)

Argentina
La Rioja Province Sanagasta department ⓘ La Chinchilla granite	[Hydroxycalciopyrochlore] Lira et al. (2023)

Brazil
Goiás Ouvidor ⓘ Catalão No. 1 mine	Cordeiro et al. (2011)

Canada
British Columbia Kamloops Mining Division Blue River carbonatites Verity claim ⓘ Specimen pit	[Fluorcalciopyrochlore] Hogarth (1961)
Newfoundland and Labrador Labrador Seal Lake alkaline complex (Letitia Lake) ⓘ Mann 2 (Ten Mile Lake)	[Hydroxycalciopyrochlore] Pavel M. Kartashov analytical data (2013)
Ontario Haliburton County Minden Hills Township Lutterworth Township ⓘ Hogan Occurrence	[Hydroxycalciopyrochlore] Hogarth (1961)
Hastings County Hastings Highlands Municipality Monteagle Township ⓘ MacDonald Mine	[Hydroxycalciopyrochlore] Ontario Geological Survey Mineral ... +2 other references
Québec Laurentides Deux-Montagnes RCM Oka ⓘ Bond zone	[Fluorcalciopyrochlore] Hogarth (1961)
ⓘ St Lawrence Columbium Mine	[Fluorcalciopyrochlore] RRUFF ID: R110198
ⓘ Oka complex	[Fluorcalciopyrochlore] Bideaux (1997)
Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	[Fluorcalciopyrochlore] Chao
Outaouais ⓘ Gatineau TE	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Hogarth (1961)
Les Collines-de-l'Outaouais RCM Chelsea ⓘ Meech Lake carbonatite	Hogarth (2016)
Saguenay-Lac-Saint-Jean Maria-Chapdelaine RCM ⓘ Crevier alkaline complex	[Fluorcalciopyrochlore] GROULIER et al. (2014)

China
Inner Mongolia Baotou City Bayan Obo mining district ⓘ Bayan Obo deposit	[Fluorcalciopyrochlore] Williams et al. (2013) +1 other reference
Sichuan Liangshan Yi Huili County ⓘ Baicao Nb-Ta deposit	[Fluorcalciopyrochlore, Oxycalciopyrochlore] Xue et al. (2021)
ⓘ Xiaoheiqing Nb-Ta deposit	[Fluorcalciopyrochlore, Oxycalciopyrochlore] Xue et al. (2021)
Mianning County ⓘ Maoniuping Mine	[Hydroxycalciopyrochlore] Williams et al. (2011) +1 other reference
Xichang County Taihe intrusion ⓘ Xichang REE occurrence	[Oxycalciopyrochlore] Rubo Zhang et al. (2003)
Xinjiang Akesu Prefecture Baicheng Co. ⓘ Boziguoer intrusion	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Sun et al. (2022)

Czech Republic
Karlovy Vary Region Cheb District Ovesné Kladruby ⓘ Podhorní hill (Podhora)	[Oxycalciopyrochlore] Jirasek et al. (2026)
Moravian-Silesian Region Frýdek-Místek District Brušperk ⓘ Borošín Teschenite Occurrences	[Fluorcalciopyrochlore] Matýsek et al. (2025)
Nový Jičín District Nový Jičín Bludovice ⓘ Čertův mlýn	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore, Oxycalciopyrochlore] Matýsek et al. (2025)
South Bohemian Region Český Krumlov District Černá v Pošumaví Bližná ⓘ Václav graphite mine	[Hydroxycalciopyrochlore] Drábek +1 other reference
Vysočina Region Žďár nad Sázavou District Věžná ⓘ Věžná I pegmatite	[Oxycalciopyrochlore] Černý et al. (1979) +1 other reference

Finland
Southwest Finland Laitila ⓘ Amazonite pegmatite	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Pavel M. Kartashov analytical data 2019

France
Auvergne-Rhône-Alpes Allier Vichy Échassières ⓘ Beauvoir quarry	[Fluorcalciopyrochlore] Wang et al. (1994)

Germany
Baden-Württemberg Freiburg Region Breisgau-Hochschwarzwald Vogtsburg im Kaiserstuhl ⓘ Schelingen	[Oxycalciopyrochlore] Anthony (1997)
Ohrberg - Badberg area ⓘ Ohrberg Quarry	[Fluorcalciopyrochlore] Färber (n.d.)
Hesse Darmstadt Darmstadt-Dieburg Fischbachtal Lichtenberg ⓘ Altscheuer quarries	[Hydroxycalciopyrochlore] Belendorff (2021)
Rhineland-Palatinate Mayen-Koblenz Mendig Mendig ⓘ In den Dellen quarries	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore, Oxycalciopyrochlore] Zubkova. N.V. et al. (2015)
ⓘ Rodder Höfe	in the collection of Christof Schäfer
Wingertsberg ⓘ Pumice quarries	in the collection of Christof Schäfer
Pellenz Kruft ⓘ Krufter Ofen	[Fluorcalciopyrochlore] EDXS analyses (Ca1.08Na0.76)
Vulkaneifel Gerolstein Rockeskyll Rockeskyll volcanic complex ⓘ Auf Dickel (incl. Nonnental)	[Oxycalciopyrochlore] in the collection of Christof Schäfer

Greenland
Kujalleq Igaliku Narsaarsuk Plateau ⓘ Narssârssuk pegmatite	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Bonazzi (2006) +1 other reference

India
Gujarat Chhota Udaipur District Kavant Taluka ⓘ Amba Dongar complex	[Fluorcalciopyrochlore] Magna et al. (2020)

Israel
Southern District Beersheba Subdistrict Tamar Regional Council ⓘ Ye’elim Mount	[Oxycalciopyrochlore] Galuskina et al. (2026)

Italy
Campania Metropolitan City of Naples Ercolano San Vito ⓘ San Vito Quarry	[Fluorcalciopyrochlore] Sun et al. (2020) +1 other reference
Lombardy Sondrio Province Chiesa in Valmalenco ⓘ Sissone Valley ?	[Hydroxycalciopyrochlore] Marchesini et al. (2025)

Japan
Fukushima Prefecture Koriyama City ⓘ Atagoyama	[Oxycalciopyrochlore] Matsubara et al. (2013)

Madagascar
Diana Ambanja District Antsirabe ⓘ Ambohimirahavavy Alkaline Complex	[Fluorcalciopyrochlore] Estrade (2014)
ⓘ Ampasibitika	[Fluorcalciopyrochlore] Université de Toulouse +1 other reference

Mexico
Baja California Sur Mulegé Municipality Santa Rosalía ⓘ Boleo District	Piilonen et al. (2013)

Morocco
Drâa-Tafilalet Region Midelt Province Boumia Cercle Agoudim Caïdat Anemzi Tirrhist (Tighiste) ⓘ Tizi n'Inouzane and Tighadouine area	[Fluorcalciopyrochlore] De Ascenção Guedes (2023)

Myanmar
Mandalay Region Pyin-Oo-Lwin District Mogok Township Kyauk-Pyat-That Thurein-taung ⓘ Myan Gyi mine (Myaing-Gyi mine)	[Oxycalciopyrochlore, Oxycalciopyrochlore var: Titan-uranoan Oxycalciopyrochlore] Pavel M. Kartashov analytical data (2010)

Norway
Telemark Bamble Bjordammen ⓘ Bjordammen II pegmatite ?	[Hydroxycalciopyrochlore] Larsen (2025)
Nome ⓘ Hydro Quarry	Sæther (1957)
Søve Mines ⓘ Cappelen Quarry	Sæther (1957)
Porsgrunn Bjørkedalen ⓘ Buer	[Oxycalciopyrochlore] Chukanov (2014)
Vestfold Larvik Commune Brunlanes ⓘ Thorstein Quarry	[Fluorcalciopyrochlore] Piilonen et al. (2013)
Malerød ⓘ Malerød Quarry	Piilonen et al. (2013)
ⓘ Vardåsen Quarry	Piilonen et al. (2013)
Tjølling Klåstad ⓘ Klåstad Quarry	Piilonen et al. (2013)

Portugal
Azores São Miguel ⓘ Água de Pau Volcano	[Fluorcalciopyrochlore] Samples collected by Luigi Chiappino ... +1 other reference

Romania
Hunedoara County ⓘ Gradistea de Munte deposit	[Hydroxycalciopyrochlore, Oxycalciopyrochlore] HÎRTOPANU et al. (2014)

Russia
Chelyabinsk Oblast Ilmen Mountains ⓘ Ilmenogorsky alkaline complex	[Hydroxycalciopyrochlore, Oxycalciopyrochlore] Makagonov et al. (2017)
ⓘ Vishnevye Mountains	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Chukanov (2014)
Buldym Lake ⓘ Vein No. 140	[Fluorcalciopyrochlore, Oxycalciopyrochlore] Popova et al. (2018) +1 other reference
Dolgaya Mt. ⓘ Na Dezhda quarry	[Fluorcalciopyrochlore] Попова et al. (2019)
ⓘ Karavai Mt	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Pavel M. Kartashov analytical data of ...
Krasnoyarsk Krai Boguchansky District Chadobets alkaline complex ⓘ Chuktukon carbonatite massif	[Fluorcalciopyrochlore, Oxycalciopyrochlore] Sharygin +12 other references
Enisei Range (Yenisei Ridge; Enisei Ridge) Tatarka Range ⓘ Tatarskii Massif	[Fluorcalciopyrochlore] RRUFF ID: R060288
Murmansk Oblast Kovdorsky District ⓘ Kovdor Massif	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore, Oxycalciopyrochlore] Ivanyuk et al. (2018)
Northern Karelia Vuoriyarvi alkaline-ultrabasic massif ⓘ Petyayan-vara carbonatite	[Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Kozlov +6 other references
ⓘ Takhtarvumchorr Mt	[Fluorcalciopyrochlore] Yakovenchuk et al. (2019)
Voron'i Tundry ⓘ Kolmozerskoe deposit	Zozulya et al. (2024)
ⓘ Okhmyl'k Mt	[Hydroxycalciopyrochlore] Zozulya et al. (2024)
Sakha ⓘ Arbarastakh complex	[Fluorcalciopyrochlore] Doroshkevich et al. (2022)
Tuva ⓘ Belaya Zima REE-Nb deposit	[Fluorcalciopyrochlore] Doroshkevich et al. (2016) +1 other reference

Slovakia
Banská Bystrica Region Lučenec District Čamovce ⓘ Unnamed stone quarry	[Oxycalciopyrochlore] Huraiová et al. (2019)
Košice Region Rožňava District Dobšiná Dobšiná mining district ⓘ Malá Vlčia Valley pegmatite vein	[Hydroxycalciopyrochlore] Uher P. et al. (2018)

Tajikistan
Districts of Republican Subordination ⓘ Dara-i-Pioz Massif	[Hydroxycalciopyrochlore] Ефимов А.Ф. et al. (1980)
Gorno-Badakhshan Rangkul' Highlands ⓘ Mika pegmatite	[Oxycalciopyrochlore] Chukanov et al. (1999) +1 other reference

USA
New Jersey Sussex County Franklin Franklin Mine ⓘ Buckwheat dump mineral collecting site	[Hydroxycalciopyrochlore] Chris O'neill
Vernon Township McAfee ⓘ McAfee Quarry ?	[Hydroxycalciopyrochlore] van Rossen (2026)
Virginia Amelia County Amelia (Amelia Court House) ⓘ Rutherford Mines	[Oxycalciopyrochlore] Duresky et al. (2025)

The Moon
Mare Crisium ⓘ Luna 24 landing site	[Oxycalciopyrochlore, Oxycalciopyrochlore var: Titan-uranoan Oxycalciopyrochlore] Mokhov et al. (2008)

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