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Name: Melanovanadite RRUFF ID: R050555 Ideal Chemistry: Ca(V5+,V4+)4O10·5H2O Locality: Ragra mine, Cerro de Pasco Province, Pasco Department, Peru Source: Dave Bunk Minerals [view label] Owner: RRUFF Description: Radiating aggregates of black prismatic crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
Quick search: [ All Melanovanadite samples (2) ] |
CHEMISTRY | ||||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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INFRARED SPECTRUM (Attenuated Total Reflectance) | |||||||||||||
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POWDER DIFFRACTION | ||||||||
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RRUFF ID: | R050555.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 6.3644(6)Å b: 17.9888(9)Å c: 6.287(2)Å alpha: 110.332(8)° beta: 101.61(1)° gamma: 82.79(2)° Volume: 659.9(2)Å3 Crystal System: triclinic |
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REFERENCES for Melanovanadite | |
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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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Lindgren W (1921) Melanovanadite, a new mineral from Mina Ragra, Pasco, Peru, Proceedings of the National Academy of Sciences, 7, 249-251 [view file] |
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Lindgren W, Hamilton L F, Palache C (1922) Melanovanadite, a new mineral from Mina Ragra, Pasco, Peru, Proceedings of the National Academy of Sciences, 3, 195-203 |
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Wherry E T (1922) New minerals: new species, American Mineralogist, 7, 162-164 [view file] |
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Barnes W H, Qurashi M M (1952) Unit cell and space group data for certain vanadium minerals, American Mineralogist, 37, 407-422 |
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Konnert J A, Evans H T (1987) Crystal structure and crystal chemistry of melanovanadite, a natural vanadium bronze, American Mineralogist, 72, 637-644 [view file] |
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Evans H T, Hughes J M (1990) Crystal chemistry of the natural vanadium bronzes, American Mineralogist, 75, 508-521 [view file] |
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