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The RRUFF Project (rruff.info) is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional.
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Name: Fluorcalciomicrolite RRUFF ID: R120127 Ideal Chemistry: (Ca,Na,◻)2Ta2O6F Locality: Volta Grande pegmatites (Volta Grande mine), Nazareno, Minas Gerais, Brazil Source: Marcelo Barbosa de Andrade Owner: RRUFF Description: Colorless octahedra Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Groups: [ pyrochlore (28) ] [ microlite (15) ] | ||
Quick search: [ All Fluorcalciomicrolite samples (9) ] |
CHEMISTRY | ||||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R120127.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 10.4191(6)Å b: 10.4191(6)Å c: 10.4191(6)Å alpha: 90° beta: 90° gamma: 90° Volume: 1131.1(1)Å3 Crystal System: cubic |
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REFERENCES for Fluorcalciomicrolite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Williams P A, Hatert F, Pasero M, Mills S J (2012) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 14, New minerals and nomenclature modifications approved in 2012, Mineralogical Magazine, 76, 1281-1288 [view file] |
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Andrade M B, Atencio D, Persiano A I C, Ellena J (2013) Fluorcalciomicrolite, (Ca,Na,◻)2Ta2O6F, a new microlite-group mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil, Mineralogical Magazine, 77, 2989-2996 [view file] |
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Belakovskiy D I, Cámara F, Gagne O C, Uvarova Y (2015) New mineral names, American Mineralogist, 100, 2352-2362 [view file] |
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Grew E S, Bosi F, Ros L, Kristiansson P, Gunter M E (2018) Fluor-elbaite, lepidolite and Ta-Nb oxides from a pegmatite of the 3000 Ma Sinceni Pluton, Swaziland: evidence for lithium-cesium-tantalum (LCT) pegmatites in the Mesoarchean, European Journal of Mineralogy, 30, 205-218 |
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