Cahnite R070182

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Record 610 of 4034  


Name: Cahnite
RRUFF ID: R070182
Ideal Chemistry: Ca2B(AsO4)(OH)4
Locality: Vallerano Quarry, Vallerano, Rome, Rome Province, Latium, Italy
Source: Michael Scott S103925 [view label]
Owner: RRUFF
Description: Pale yellow tetrahedra associated with colorless prismatic chabazite, botryoidal phillipsite, dark green prismatic augite, acicular apatite, calcite, akermanite, and calzirtite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Zircon (35) ]
Quick search: [ All Cahnite samples (2) ]
CHEMISTRY 
RRUFF ID: R070182.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca2.03B(As0.98O4)(OH)4 ; The sample suffered some damage during the probework.
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070182
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070182.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.077(5)Å    b: 7.077(5)Å    c: 6.175(8)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 309.23(7)Å3    Crystal System: tetragonal
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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 Cahnite

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]

Palache C, Bauer L H (1927) Cahnite, a new boro-arsenate of calcium from Franklin, New Jersey, American Mineralogist, 12, 149-153   [view file]

Embrey P G (1960) Cahnite from Capo di Bove, Rome, Mineralogical Magazine, 32, 666-668   [view file]

Prewitt C T, Buerger M J (1961) Crystal structure of cahnite, American Mineralogist, 46, 1077-1085   [view file]

Shiraga K, Kusachi I, Kobayashi S, Takechi Y (2002) Cahnite from Fuka, Okayama Prefecture, Japan, Journal of Mineralogical and Petrological Sciences, 97, 70-73   [view file]

Thompson R M, Yang H, Downs R T (2012) Packing systematics and structural relationships of the new copper molybdate markascherite and related minerals, American Mineralogist, 97, 1977-1986   [view file]