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Name: Hummerite RRUFF ID: R070450 Ideal Chemistry: KMgV5+5O14·8H2O Locality: Hummer mine, Jo Dandy mine (Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker), Paradox Valley, Uravan District, Montrose County, Colorado, USA Source: Michael Scott S100599 [view label] Owner: RRUFF Description: Bright orange coarse grains, some showing tabular crystal forms Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Pascoite (5) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R070450.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 8.817(4)Å b: 10.717(6)Å c: 11.070(5)Å alpha: 65.79(1)° beta: 74.09(1)° gamma: 71.87(1)° Volume: 893(1)Å3 Crystal System: triclinic |
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REFERENCES for Hummerite | |
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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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Weeks A D, Cisney E A, Sherwood A M (1951) Hummerite and montroseite, two vanadium minerals from Montrose County, Colorado. Abstracts of papers presented at the thirty-first annual meeting of the Mineralogical Society of America at Washington, D.C., American Mineralogist, 36, 310-328 [view file] |
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Hughes J M, Schindler M, Rakovan J, Cureton F E (2002) The crystal structure of hummerite, KMg(V5O14)·8H2O: bonding between the [V10O28]6- structural unit and the {K2Mg2(H2O)16}6+ interstitial complex, The Canadian Mineralogist, 40, 1429-1435 [view file] |
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Frost R L, Erickson K L, Weier M L (2004) Hydrogen bonding in selected vanadates: a Raman and infrared spectroscopy study, Spectrochimica Acta Part A, 60, 2419 |
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Hawthorne F C, Hughes J M, Cooper M A, Kampf A R (2022) Bonding between the decavanadate polyanion and the interstitial complex in pascoite-family minerals, The Canadian Mineralogist, 60, 341-359 |
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