Cuspidine R140776

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Record 988 of 4043  

Name: Cuspidine
RRUFF ID: R140776
Ideal Chemistry: Ca8(Si2O7)2F4
Locality: Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Source: Ch. and H. Schäfer [view label]
Owner: RRUFF
Description: Colorless to gray, associated with grossular/andradite, melilite and rankinite (R140775).
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Wohlerite (11) ]
Quick search: [ All Cuspidine samples (3) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R140776
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R140776.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.899(2)Å    b: 10.525(3)Å    c: 7.524(2)Å
alpha: 90°    beta: 109.52(1)°    gamma: 90°   Volume: 813.5(1)Å3    Crystal System: monoclinic
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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 Cuspidine

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]

Scacchi A (1876) Della cuspidina e del neocrisolito, nuovi minerali vesuviani, Rendiconto dell'Accademia delle Scienze Fisiche e Matematiche (sezione della Societa reale di Napoli), 15, 208-209   [view file]

Tilley C E, Vincent H C G (1947) Cuspidine from dolomite contact skarns, Broadford, Skye, Mineralogical Magazine, 28, 90-95   [view file]

Smirnova R F, Rumanova I M, Belov N V (1955) Crystal structure of cuspidine, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 84, 159-169   [view file]

Belov N V (1957) New silicate structures, Acta Crystallographica, 10, 757-758

Dent L S (1957) Zeophyllite: unit cell and transformation to cuspidine, Acta Crystallographica, 10, 760-760

Valkenburg A V, Rynders G F (1958) Synthetic cuspidine, American Mineralogist, 43, 1195-11202   [view file]

Saburi S, Kawahara A, Henmi C, Kusachi I, Kihara K (1977) The refinement of the crystal structure of cuspidine, Mineralogical Journal, 8, 286-298   [view file]

Merlino S, Perchiazzi N (1988) Modular mineralogy of the cuspidine group of minerals, The Canadian Mineralogist, 26, 933-943   [view file]

Bellezza M, Merlino S, Perchiazzi N (2004) Chemical and structural study of the Zr, Ti-disilicates in the venanzite from Pian di Celle, Umbria, Italy, European Journal of Mineralogy, 16, 957-969

Biagioni C, Merlino S, Parodi G C, Perchiazzi N (2012) Crystal chemistry of minerals of the wöhlerite group from the Los Archipelago, Guinea, The Canadian Mineralogist, 50, 593-609   [view file]

Kolitsch U, Rieck B, Brandstätter F, Schreiber F, Fabritz K H, Blaß G, Gröbner J (2014) Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (II), Mineralien Welt, 25, 82-95   [view file]