Rickardite R140500
Name: Rickardite
RRUFF ID: R140500
Ideal Chemistry: Cu3-xTe2
Locality: 600' Level, Good Hope mine, Vulcan, Vulcan District, Gunnison County, Colorado, USA
Source: Rock Currier [view label]
Owner: RRUFF
Description: Rich, dark purple metallic plates with silvery gray bright metallic tellurium and very sparse tiny specs of metallic blue weissite on gray matrix.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R140500
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 65% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R140500.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 4.0000(38)Å    b: 4.0000(38)Å    c: 6.1720(78)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 98.750(14)Å3    Crystal System: tetragonal
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REFERENCES for Rickardite

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]

Ford W E (1903) Rickardit, ein neues Mineral, Zeitschrift für Krystallographie und Mineralogie, 37, 609-610   [view file]

Ford W E (1903) Rickardite, a new mineral, American Journal of Science, 165, 69-70   [view file]

Forman S A, Peacock M A (1949) Crystal structure of rickardite, Cu4-xTe2, American Mineralogist, 34, 441-451   [view file]

Thompson R M (1949) The telluride minerals and their occurrence in Canada, American Mineralogist, 34, 342-382   [view file]

Baranova R V, Pinsker Z G (1969) The question of disorder in the tetragonal phase Cu4-xTe2, Soviet Physics - Crystallography, 14, 214-217   [view file]

Schutte W J, de Boer J L (1993) Determination of the incommensurately modulated structure of Cu3-xTe2, Acta Crystallographica, B49, 398-403