Important Update News
The RRUFF Project 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. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
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Name: Fluorcalciomicrolite RRUFF ID: R070100 Ideal Chemistry: (Ca,Na,◻)2Ta2O6F Locality: Urucum mine, near Galilea, Minas Gerais, Brazil Source: Michael Scott S101220 [view label] Owner: RRUFF Description: Yellow octahedra on ball of colorless stokesite, associated with titanite 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: | R070100.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 10.463(4)Å b: 10.463(4)Å c: 10.463(4)Å alpha: 90° beta: 90° gamma: 90° Volume: 1145.3(3)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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