Heulandite-Ca R050097



Name: Heulandite-Ca
RRUFF ID: R050097
Ideal Chemistry: (Ca,Na,K)5(Si27Al9)O72·26H2O
Locality: Rat's Nest Claim, Custer County, Idaho, USA
Source: John Cornish
Owner: RRUFF
Description: Pale pink coffin-shaped tabular single crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Heulandite-Ca samples (6) ]
CHEMISTRY 
RRUFF ID: R050097.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca0.66Na0.30K0.04)5(Si0.77Al0.23)36O72ยท24H2O
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: L00100
Orientation: Laser parallel to  a*  (1 0 0).     Fiducial mark perpendicular to laser is parallel to  b   [0 1 0].
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050097
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050097.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050097.1
Sample Description: Powder
Cell Refinement Output: a: 17.720(3)Å    b: 17.915(4)Å    c: 7.4233(7)Å
alpha: 90.°    beta: 116.47(1)°    gamma: 90.°   Volume: 2109.5(4)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Heulandite-Ca

American Mineralogist Crystal Structure Database Record: [view record]

Brooke H J (1822) On the comptonite of Vesuvius, the brewsterite of Scotland, the stilbite and the heulandite, Edinburgh Philosophy Journal, 6, 112-115   [view file]

Alberti A (1972) On the crystal structure of the zeolite heulandite, Tschermaks Mineralogische und Petrographische Mitteilungen, 18, 129-146

Vezzalini G, Quartieri S, Rossi A, Alberti A (1994) Occurrence of zeolites from Northern Victoria Land (Antarctica), Terra Antartica, 1, 96-99

Coombs D S, Alberti A, Armbruster T, Artioli G, Colella C, Galli E, Grice J D, Liebau F, Mandarino J A, Minato H, Nickel E H, Passaglia E, Peacor D R, Quartieri S, Rinaldi R, Ross M, Sheppard R A, Tillmanns E, Vezzalini G, (1997) Recommended nomenclature for zeolite minerals: report of the Subcommittee on Zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names, The Canadian Mineralogist, 35, 1571-1606   [view file]

Yang P, Stolz J, Armbruster T, Gunter M E (1997) Na, K, Rb, and Cs exchange in heulandite single crystals: diffusion kinetics, American Mineralogist, 82, 517-525   [view file]

Jambor J L, Grew E S, Roberts A C (1998) New mineral names, American Mineralogist, 83, 1347-1352   [view file]

Akizuki M, Kudoh Y, Nakamura S (1999) Growth texture and symmetry of heulandite-Ca from Poona, India, The Canadian Mineralogist, 37, 1307-1312   [view file]

Comodi P, Gatta G D, Zanazzi P F (2001) High-pressure structural behaviour of heulandite, European Journal of Mineralogy, 13, 497-505