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The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
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Name: Heulandite-Ca RRUFF ID: R050647 Ideal Chemistry: (Ca,Na,K)5(Si27Al9)O72·26H2O Locality: Rat's Nest Claim, Custer County, Idaho, USA Source: John Cornish Owner: RRUFF Description: Pink anhedral grains Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Heulandite (13) ] | ||
Quick search: [ All Heulandite-Ca samples (6) ] |
CHEMISTRY | ||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | ||||||
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RRUFF ID: | R050647.9 | |||||
Sample Description: | Single crystal, powder profile is calculated | |||||
Cell Refinement Output: |
a: 17.2378(8)Å b: 17.8862(9)Å c: 7.4135(4)Å alpha: 90° beta: 113.659(4)° gamma: 90° Volume: 2093.6(2)Å3 Crystal System: monoclinic |
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REFERENCES for Heulandite-Ca | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Alberti A (1972) On the crystal structure of the zeolite heulandite, Tschermaks Mineralogische und Petrographische Mitteilungen, 18, 129-146 |
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Vezzalini G, Quartieri S, Rossi A, Alberti A (1994) Occurrence of zeolites from Northern Victoria Land (Antarctica), Terra Antartica, 1, 96-99 |
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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] |
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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] |
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Jambor J L, Grew E S, Roberts A C (1998) New mineral names, American Mineralogist, 83, 1347-1352 [view file] |
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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] |
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Comodi P, Gatta G D, Zanazzi P F (2001) High-pressure structural behaviour of heulandite, European Journal of Mineralogy, 13, 497-505 |
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