Avogadrite R110062



Name: Avogadrite
RRUFF ID: R110062
Ideal Chemistry: KBF4
Locality: Mount Vesuvius, near Naples, Campania, Italy
Source: James Shigley [view label]
Owner: RRUFF
Description: Colorless consolidated granular. Some of the material consists of transparent gemmy crystals. The unidentified associated yellow material is a thin coating, something like a bubble surface, that turns white under acetone.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R110062
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R110062.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.671(2)Å    b: 5.488(1)Å    c: 7.0348(9)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 334.8(1)Å3    Crystal System: orthorhombic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Avogadrite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Zambonini F (1926) Sulla presenza, tra i prodotti dell´ attuale attivita del Vesuvio, di una varietá cesifera del fluoborato di potassio, (On the presence, among the products of Vesuvius, of a caesium-bearing variety of potassium fluoborate), Accademia Nazionale del Lincei, Classe di Scienze Fische, Matematiche e Naturali, Rendiconti, Roma, 3, 644-649   [view file]

Schairer J F, Foshag W F (1927) New mineral names, American Mineralogist, 12, 232-232   [view file]

Brunton G (1969) The crystal structure of KBF4, Acta Crystallographica, B25, 2161-2162

Clark M J R, Lynton H (1969) Crystal structures of potassium, ammonium, rubidium and cesium tetrafluoroborates, Canadian Journal of Chemistry, 47, 2579-2586