Okenite R070602



Name: Okenite
RRUFF ID: R070602
Ideal Chemistry: Ca10Si18O46·18H2O
Locality: Poona, Maharashtra, India
Source: James Shigley
Owner: RRUFF
Description: Mass of radiating white fibers
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
CHEMISTRY 
RRUFF ID: R070602.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070602
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070602.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.690(3)Å    b: 7.290(1)Å    c: 22.013(7)Å
alpha: 92.655(1)°    beta: 100.09(1)°    gamma: 111.03(1)°   Volume: 1418(1)Å3    Crystal System: triclinic
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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 Okenite

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]

von Kobell F (1828) Ueber den Ockenit, eine neue Mineralspecies, Archiv für die Gesammte Naturlehre, 14, 333-337   [view file]

Gard J A, Taylor F W (1956) Okenite and nekoite (a new mineral), Mineralogical Magazine, 31, 5-21   [view file]

Merlino S (1983) Okenite, Ca10Si18O46 · 18H2O: the first example of a chain sheet silicate, American Mineralogist, 68, 614-622   [view file]

Merlino S, Bonaccorsi E (2008) Double wollastonite chains: topological/conformational varieties, polytypic forms, isotypic compounds, Zeitschrift für Kristallographie, 223, 85-97