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Name: Fluorcalcioroméite RRUFF ID: R120140 Ideal Chemistry: (Ca,Na)2Sb5+2O6F Locality: Starlera mine, Starlera Valley, Ferrera, Hinterrhein district, Grishun, Switzerland Source: Marcelo Andrade [view label] Owner: RRUFF Description: Brownish-yellow octahedra, associated with hematite, calcite and quartz. Type specimen (Atencio et al (2013)) Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Groups: [ pyrochlore (28) ] [ Romeite (2) ] |
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: | R120140.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 10.2987(8)Å b: 10.2987(8)Å c: 10.2987(8)Å alpha: 90° beta: 90° gamma: 90° Volume: 1092.3(2)Å3 Crystal System: cubic |
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REFERENCES for Fluorcalcioroméite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Atencio D, Ciriotti M E, Andrade M B (2013) Fluorcalcioroméite, (Ca,Na)2Sb25+(O,OH)6F, a new roméite-group mineral from Starlera mine, Ferrera, Grischun, Switzerland: description and crystal structure, Mineralogical Magazine, 77, 467-473 [view file] |
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Williams P A, Hatert F, Pasero M, Mills S J (2013) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 16. New minerals and nomenclature modifications approved in 2013, Mineralogical Magazine, 77, 2695-2709 [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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Bosi F, Christy A G, Hålenius U (2017) Crystal-chemical aspects of the roméite group, A2Sb2O6Y, of the pyrochlore supergroup, Mineralogical Magazine, 81, 1287-1302 |
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