Steacyite R060525
Name: Steacyite
RRUFF ID: R060525
Ideal Chemistry: K0.3(Na,Ca)2ThSi8O20
Locality: DeMix Quarry, Mont St. Hilaire, Rouville County, Quebec, Canada
Source: Michael Scott S100210 [view label]
Owner: RRUFF
Description: Divergent group of brown rectangular prisms
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
CHEMISTRY 
RRUFF ID: R060525.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 785nm @ 40% of 500mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
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POWDER DIFFRACTION 
RRUFF ID: R060525.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.563(1)Å    b: 7.563(1)Å    c: 14.723(2)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 842.1(4)    Crystal System: tetragonal
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REFERENCES for Steacyite

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]

Prichard P, Perrault G (1972) Structure cristalline de l'ekanite de St-Hilaire, P.Q., Acta Crystallographica, B28, 1994-1999

Perrault G, Szymanski J T (1982) Steacyite, a new name, and a re-evaluation of the nomenclature of "ekanite"–group minerals, The Canadian Mineralogist, 20, 59-63   [view file]

Dunn P J, Fleischer M, Burns R G, Pabst A (1983) New mineral names, American Mineralogist, 68, 471-475   [view file]