Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina
- Autores
- Galliski, Miguel Angel; Marquez Zavalia, Maria Florencia; Cerný, Petr; Lira, Raul; Colombo, Fernando; Roberts, Andrew; Bernhardt, Heinz-Jürgen
- Año de publicación
- 2017
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Achalaite is a new mineral of the wodginite group from the La Calandria granitic pegmatite, Cañada del Puerto, Córdoba province, Argentina (31°25′S, 64°55′W). The mineral occurs as polygranular aggregates up to 1.5 cm across, included in albite ± quartz with exsolutions of Ta-rich rutile and intergrown with microlite-group minerals. Achalaite has a black color and streak, metallic luster, H = 5½, Dcalc = 6.285 g/cm3, and appears to lack cleavage. In reflected light, it is light grey with a slightly violet tint in air, and light grey with an olive tint in oil. Its bireflectance in both air and oil is weak but noticeable. Pleochroism is not observed. With crossed polarizers anisotropy in air is weak, particularly noticeable along grain boundaries; in oil, it is medium with light to intermediate olive grey tint. Internal reflections have not been observed either in air or oil. Data on minimum and maximum reflectances for the COM wavelengths are [λ (nm): Rair, Roil (%)]: 470: 16.89, 17.72 and 5.26, 5.76; 546: 16.49, 17.26 and 4.98, 5.32; 589: 16.34, 17.04 and 4.97, 5.26; 650: 16.23, 16.94 and 4.86, 5.19. Achalaite, indexed by analogy with wodginite, is monoclinic, space group C2/c, Z = 4. Refined unit-cell dimensions are a 9.422(4) Å, b 11.427(3) Å, c 5.120(1) Å, β 90.12° (4), V 551.2(3) Å3. The strongest five lines in the X-ray powder diffraction pattern are as follows (d [Å], I%, hkl): 3.630, 40, 220; 2.964, 100, forumla, 221; 2.493, 40, 041; 1.735, 40, forumla; 1.711, 50, forumla, 441. Eight electron microprobe analyses (WDS) gave the following mean composition: WO3 2.41, Nb2O5 30.18, Ta2O5 37.56, TiO2 6.90, ZrO2 0.88, SnO2 3.82, Fe2O3 4.35, FeO 7.54, MnO 5.14, CaO 0.02, UO2 0.38, total 99.18 wt.%. The average empirical formula is: (Fe2+2.211Mn1.524Fe3+0.226U0.030Ca0.009)Σ4.000(Ti1.819Fe3+0.920Ta0.579Sn0.533Zr0.150)Σ4.000(Nb4.781Ta3.000W0.219)Σ8.000O32, ideally Fe2+TiNb2O8. Achalaite is the first member of the wodginite group with Nb dominant over Ta; it is genetically considered a post-magmatic phase. The name of achalaite (CNMNC – IMA 2013-103) derives from the Achala granite batholith, located in Córdoba, Argentina.
Fil: Galliski, Miguel Angel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
Fil: Marquez Zavalia, Maria Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
Fil: Cerný, Petr. University of Manitoba; Canadá
Fil: Lira, Raul. Universidad Nacional de Córdoba. Facultad de Cs.exactas Físicas y Naturales. Museo de Geología y Miner.; Argentina
Fil: Colombo, Fernando. Instituto de Ciencia de Material de Barcelona; España. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina
Fil: Roberts, Andrew. Geological Survey Of Canada; Canadá
Fil: Bernhardt, Heinz-Jürgen. Rhur Universität Bochum; Alemania - Materia
-
Achalite
Wodginite Group
Nb-Dominant Endmember
Granitic Pegmatite
Argentina - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/44294
Ver los metadatos del registro completo
| id |
CONICETDig_2c98398bc597d92efb1f9bf647e91c5d |
|---|---|
| oai_identifier_str |
oai:ri.conicet.gov.ar:11336/44294 |
| network_acronym_str |
CONICETDig |
| repository_id_str |
3498 |
| network_name_str |
CONICET Digital (CONICET) |
| spelling |
Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, ArgentinaGalliski, Miguel AngelMarquez Zavalia, Maria FlorenciaCerný, PetrLira, RaulColombo, FernandoRoberts, AndrewBernhardt, Heinz-JürgenAchaliteWodginite GroupNb-Dominant EndmemberGranitic PegmatiteArgentinahttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1Achalaite is a new mineral of the wodginite group from the La Calandria granitic pegmatite, Cañada del Puerto, Córdoba province, Argentina (31°25′S, 64°55′W). The mineral occurs as polygranular aggregates up to 1.5 cm across, included in albite ± quartz with exsolutions of Ta-rich rutile and intergrown with microlite-group minerals. Achalaite has a black color and streak, metallic luster, H = 5½, Dcalc = 6.285 g/cm3, and appears to lack cleavage. In reflected light, it is light grey with a slightly violet tint in air, and light grey with an olive tint in oil. Its bireflectance in both air and oil is weak but noticeable. Pleochroism is not observed. With crossed polarizers anisotropy in air is weak, particularly noticeable along grain boundaries; in oil, it is medium with light to intermediate olive grey tint. Internal reflections have not been observed either in air or oil. Data on minimum and maximum reflectances for the COM wavelengths are [λ (nm): Rair, Roil (%)]: 470: 16.89, 17.72 and 5.26, 5.76; 546: 16.49, 17.26 and 4.98, 5.32; 589: 16.34, 17.04 and 4.97, 5.26; 650: 16.23, 16.94 and 4.86, 5.19. Achalaite, indexed by analogy with wodginite, is monoclinic, space group C2/c, Z = 4. Refined unit-cell dimensions are a 9.422(4) Å, b 11.427(3) Å, c 5.120(1) Å, β 90.12° (4), V 551.2(3) Å3. The strongest five lines in the X-ray powder diffraction pattern are as follows (d [Å], I%, hkl): 3.630, 40, 220; 2.964, 100, forumla, 221; 2.493, 40, 041; 1.735, 40, forumla; 1.711, 50, forumla, 441. Eight electron microprobe analyses (WDS) gave the following mean composition: WO3 2.41, Nb2O5 30.18, Ta2O5 37.56, TiO2 6.90, ZrO2 0.88, SnO2 3.82, Fe2O3 4.35, FeO 7.54, MnO 5.14, CaO 0.02, UO2 0.38, total 99.18 wt.%. The average empirical formula is: (Fe2+2.211Mn1.524Fe3+0.226U0.030Ca0.009)Σ4.000(Ti1.819Fe3+0.920Ta0.579Sn0.533Zr0.150)Σ4.000(Nb4.781Ta3.000W0.219)Σ8.000O32, ideally Fe2+TiNb2O8. Achalaite is the first member of the wodginite group with Nb dominant over Ta; it is genetically considered a post-magmatic phase. The name of achalaite (CNMNC – IMA 2013-103) derives from the Achala granite batholith, located in Córdoba, Argentina.Fil: Galliski, Miguel Angel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; ArgentinaFil: Marquez Zavalia, Maria Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; ArgentinaFil: Cerný, Petr. University of Manitoba; CanadáFil: Lira, Raul. Universidad Nacional de Córdoba. Facultad de Cs.exactas Físicas y Naturales. Museo de Geología y Miner.; ArgentinaFil: Colombo, Fernando. Instituto de Ciencia de Material de Barcelona; España. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; ArgentinaFil: Roberts, Andrew. Geological Survey Of Canada; CanadáFil: Bernhardt, Heinz-Jürgen. Rhur Universität Bochum; AlemaniaMineralogical Association of Canada2017-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/44294Galliski, Miguel Angel; Marquez Zavalia, Maria Florencia; Cerný, Petr; Lira, Raul; Colombo, Fernando; et al.; Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina; Mineralogical Association of Canada; Canadian Mineralogist; 54; 4; 5-2017; 1043-10520008-44761499-1276CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.3749/canmin.1500094info:eu-repo/semantics/altIdentifier/url/https://bit.ly/2K0RwUQinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:39:45Zoai:ri.conicet.gov.ar:11336/44294instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 14:39:45.358CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina |
| title |
Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina |
| spellingShingle |
Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina Galliski, Miguel Angel Achalite Wodginite Group Nb-Dominant Endmember Granitic Pegmatite Argentina |
| title_short |
Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina |
| title_full |
Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina |
| title_fullStr |
Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina |
| title_full_unstemmed |
Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina |
| title_sort |
Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina |
| dc.creator.none.fl_str_mv |
Galliski, Miguel Angel Marquez Zavalia, Maria Florencia Cerný, Petr Lira, Raul Colombo, Fernando Roberts, Andrew Bernhardt, Heinz-Jürgen |
| author |
Galliski, Miguel Angel |
| author_facet |
Galliski, Miguel Angel Marquez Zavalia, Maria Florencia Cerný, Petr Lira, Raul Colombo, Fernando Roberts, Andrew Bernhardt, Heinz-Jürgen |
| author_role |
author |
| author2 |
Marquez Zavalia, Maria Florencia Cerný, Petr Lira, Raul Colombo, Fernando Roberts, Andrew Bernhardt, Heinz-Jürgen |
| author2_role |
author author author author author author |
| dc.subject.none.fl_str_mv |
Achalite Wodginite Group Nb-Dominant Endmember Granitic Pegmatite Argentina |
| topic |
Achalite Wodginite Group Nb-Dominant Endmember Granitic Pegmatite Argentina |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
| dc.description.none.fl_txt_mv |
Achalaite is a new mineral of the wodginite group from the La Calandria granitic pegmatite, Cañada del Puerto, Córdoba province, Argentina (31°25′S, 64°55′W). The mineral occurs as polygranular aggregates up to 1.5 cm across, included in albite ± quartz with exsolutions of Ta-rich rutile and intergrown with microlite-group minerals. Achalaite has a black color and streak, metallic luster, H = 5½, Dcalc = 6.285 g/cm3, and appears to lack cleavage. In reflected light, it is light grey with a slightly violet tint in air, and light grey with an olive tint in oil. Its bireflectance in both air and oil is weak but noticeable. Pleochroism is not observed. With crossed polarizers anisotropy in air is weak, particularly noticeable along grain boundaries; in oil, it is medium with light to intermediate olive grey tint. Internal reflections have not been observed either in air or oil. Data on minimum and maximum reflectances for the COM wavelengths are [λ (nm): Rair, Roil (%)]: 470: 16.89, 17.72 and 5.26, 5.76; 546: 16.49, 17.26 and 4.98, 5.32; 589: 16.34, 17.04 and 4.97, 5.26; 650: 16.23, 16.94 and 4.86, 5.19. Achalaite, indexed by analogy with wodginite, is monoclinic, space group C2/c, Z = 4. Refined unit-cell dimensions are a 9.422(4) Å, b 11.427(3) Å, c 5.120(1) Å, β 90.12° (4), V 551.2(3) Å3. The strongest five lines in the X-ray powder diffraction pattern are as follows (d [Å], I%, hkl): 3.630, 40, 220; 2.964, 100, forumla, 221; 2.493, 40, 041; 1.735, 40, forumla; 1.711, 50, forumla, 441. Eight electron microprobe analyses (WDS) gave the following mean composition: WO3 2.41, Nb2O5 30.18, Ta2O5 37.56, TiO2 6.90, ZrO2 0.88, SnO2 3.82, Fe2O3 4.35, FeO 7.54, MnO 5.14, CaO 0.02, UO2 0.38, total 99.18 wt.%. The average empirical formula is: (Fe2+2.211Mn1.524Fe3+0.226U0.030Ca0.009)Σ4.000(Ti1.819Fe3+0.920Ta0.579Sn0.533Zr0.150)Σ4.000(Nb4.781Ta3.000W0.219)Σ8.000O32, ideally Fe2+TiNb2O8. Achalaite is the first member of the wodginite group with Nb dominant over Ta; it is genetically considered a post-magmatic phase. The name of achalaite (CNMNC – IMA 2013-103) derives from the Achala granite batholith, located in Córdoba, Argentina. Fil: Galliski, Miguel Angel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina Fil: Marquez Zavalia, Maria Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina Fil: Cerný, Petr. University of Manitoba; Canadá Fil: Lira, Raul. Universidad Nacional de Córdoba. Facultad de Cs.exactas Físicas y Naturales. Museo de Geología y Miner.; Argentina Fil: Colombo, Fernando. Instituto de Ciencia de Material de Barcelona; España. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina Fil: Roberts, Andrew. Geological Survey Of Canada; Canadá Fil: Bernhardt, Heinz-Jürgen. Rhur Universität Bochum; Alemania |
| description |
Achalaite is a new mineral of the wodginite group from the La Calandria granitic pegmatite, Cañada del Puerto, Córdoba province, Argentina (31°25′S, 64°55′W). The mineral occurs as polygranular aggregates up to 1.5 cm across, included in albite ± quartz with exsolutions of Ta-rich rutile and intergrown with microlite-group minerals. Achalaite has a black color and streak, metallic luster, H = 5½, Dcalc = 6.285 g/cm3, and appears to lack cleavage. In reflected light, it is light grey with a slightly violet tint in air, and light grey with an olive tint in oil. Its bireflectance in both air and oil is weak but noticeable. Pleochroism is not observed. With crossed polarizers anisotropy in air is weak, particularly noticeable along grain boundaries; in oil, it is medium with light to intermediate olive grey tint. Internal reflections have not been observed either in air or oil. Data on minimum and maximum reflectances for the COM wavelengths are [λ (nm): Rair, Roil (%)]: 470: 16.89, 17.72 and 5.26, 5.76; 546: 16.49, 17.26 and 4.98, 5.32; 589: 16.34, 17.04 and 4.97, 5.26; 650: 16.23, 16.94 and 4.86, 5.19. Achalaite, indexed by analogy with wodginite, is monoclinic, space group C2/c, Z = 4. Refined unit-cell dimensions are a 9.422(4) Å, b 11.427(3) Å, c 5.120(1) Å, β 90.12° (4), V 551.2(3) Å3. The strongest five lines in the X-ray powder diffraction pattern are as follows (d [Å], I%, hkl): 3.630, 40, 220; 2.964, 100, forumla, 221; 2.493, 40, 041; 1.735, 40, forumla; 1.711, 50, forumla, 441. Eight electron microprobe analyses (WDS) gave the following mean composition: WO3 2.41, Nb2O5 30.18, Ta2O5 37.56, TiO2 6.90, ZrO2 0.88, SnO2 3.82, Fe2O3 4.35, FeO 7.54, MnO 5.14, CaO 0.02, UO2 0.38, total 99.18 wt.%. The average empirical formula is: (Fe2+2.211Mn1.524Fe3+0.226U0.030Ca0.009)Σ4.000(Ti1.819Fe3+0.920Ta0.579Sn0.533Zr0.150)Σ4.000(Nb4.781Ta3.000W0.219)Σ8.000O32, ideally Fe2+TiNb2O8. Achalaite is the first member of the wodginite group with Nb dominant over Ta; it is genetically considered a post-magmatic phase. The name of achalaite (CNMNC – IMA 2013-103) derives from the Achala granite batholith, located in Córdoba, Argentina. |
| publishDate |
2017 |
| dc.date.none.fl_str_mv |
2017-05 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/44294 Galliski, Miguel Angel; Marquez Zavalia, Maria Florencia; Cerný, Petr; Lira, Raul; Colombo, Fernando; et al.; Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina; Mineralogical Association of Canada; Canadian Mineralogist; 54; 4; 5-2017; 1043-1052 0008-4476 1499-1276 CONICET Digital CONICET |
| url |
http://hdl.handle.net/11336/44294 |
| identifier_str_mv |
Galliski, Miguel Angel; Marquez Zavalia, Maria Florencia; Cerný, Petr; Lira, Raul; Colombo, Fernando; et al.; Achalaite, Fe2+TiNb2O8, a New Member of the Wodginite Group from the La Calandria Granitic Pegmatite, CÓrdoba, Argentina; Mineralogical Association of Canada; Canadian Mineralogist; 54; 4; 5-2017; 1043-1052 0008-4476 1499-1276 CONICET Digital CONICET |
| dc.language.none.fl_str_mv |
eng |
| language |
eng |
| dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.3749/canmin.1500094 info:eu-repo/semantics/altIdentifier/url/https://bit.ly/2K0RwUQ |
| dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
| eu_rights_str_mv |
openAccess |
| rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
| dc.format.none.fl_str_mv |
application/pdf application/pdf |
| dc.publisher.none.fl_str_mv |
Mineralogical Association of Canada |
| publisher.none.fl_str_mv |
Mineralogical Association of Canada |
| dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
| reponame_str |
CONICET Digital (CONICET) |
| collection |
CONICET Digital (CONICET) |
| instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
| repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
| repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
| _version_ |
1846082884870340608 |
| score |
13.22299 |