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) ]
RRUFF ID: R050097.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca0.66Na0.30K0.04)5(Si0.77Al0.23)36O72ยท24H2O
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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RRUFF ID: R050097
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
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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.

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

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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