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Dachiardite-Ca R061125

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Record 2414 of 4216  


Name: Dachiardite-Ca
RRUFF ID: R061125
Ideal Chemistry: Ca2(Si20Al4)O48·13H2O
Locality: San Piero in Campo, Isle of Elba, Livorno, Toscana, Italy
Source: Michael Scott S102165 [view label]
Owner: RRUFF
Description: Colorless cyclical eightling twinned crystals with quartz, tourmaline, and eucryptite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Dachiardite (3) ]
Quick search: [ All Dachiardite-Ca samples (2) ]
CHEMISTRY 
RRUFF ID: R061125.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca2.80Na0.55K0.08)Σ=3.43(Si17.77Al6.23)O48·12H2O; H2O estimated by difference
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R061125
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R061125.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 18.610(6)Å    b: 7.500(1)Å    c: 10.227(3)Å
alpha: 90°    beta: 107.92(1)°    gamma: 90°   Volume: 1358(1)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.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Dachiardite-Ca

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]

D'Achiardi G (1906) Zeoliti del filone della speranza presso S. Piero in Campo (Elba), Atti della Societa Toscana di Scienze Naturali. Processi Verbali, 22, 150-165   [view file]

Vezzalini G (1984) A refinement of Elba dachiardite: Opposite acentric domains simulating a centric structure, Zeitschrift für Kristallographie, 166, 63-71   [view file]

Bargar K E, Erd R C, Keith T E C, Beeson M H (1987) Dachiardite from Yellowstone National Park, Wyoming, The Canadian Mineralogist, 25, 475-483   [view file]

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]

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