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Name: Powellite RRUFF ID: R100180 Ideal Chemistry: Ca(MoO4) Locality: Carlota mine, Pinto Creek, Gila, Arizona, USA Source: Joe Ruiz [view label] Owner: RRUFF Description: Pale green thick tabular crystals, associated with blue azurite, green elongated szenicsite (R100179) and colorless granular prosopite (R100181). Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Scheelite (17) ] | ||
Quick search: [ All Powellite samples (2) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R100180.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 5.239(2)Å b: 5.239(2)Å c: 11.457(5)Å alpha: 90° beta: 90° gamma: 90° Volume: 314.49(4)Å3 Crystal System: tetragonal |
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REFERENCES for Powellite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Melville W H (1891) Powellite - calcium molybdate: A new mineral species, American Journal of Science, 141, 138-141 [view file] |
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Aleksandrov V B, Gorbatyii L V, Ilyukhin V V (1968) Crystal structure of powellite CaMoO4, Soviet Physics - Crystallography, 13, 414-415 [view file] |
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Hazen R M, Finger L W (1985) Highpressure crystal chemistry of scheelite-type tungstates and molybdates, Journal of Physics and Chemistry of Solids, 46, 253-263 [link] |
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