Pentagonite R120136

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Record 2924 of 4216  

Name: Pentagonite
RRUFF ID: R120136
Ideal Chemistry: CaV4+OSi4O10·4H2O
Locality: Wagholi, Poona, Maharashtra State, India
Source: Marcus Origlieri [view label]
Owner: RRUFF
Description: Bright blue blades
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: R120136
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
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Raman Data (RAW) View Graph
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POWDER DIFFRACTION 
RRUFF ID: R120136.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.390(1)Å    b: 14.102(3)Å    c: 9.005(2)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1319.4(5)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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DIF File
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REFERENCES for Pentagonite

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]

Evans H T (1973) The crystal structures of cavansite and pentagonite, American Mineralogist, 58, 412-424   [view file]

Staples L W, Evans H T, Lindsay J R (1973) Cavansite and pentagonite, new dimorphous calcium vanadium silicate minerals from Oregon, American Mineralogist, 58, 405-411   [view file]

Ishida N, Kimata M, Nishida N, Hatta T, Shimizu M, Akasaka T (2009) Polymorphic relation between cavansite and pentagonite: Genetic implications of oxonium ion in cavansite, Journal of Mineralogical and Petrological Sciences, 104, 241-252   [view file]