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Name: Miguelromeroite RRUFF ID: R070064 Ideal Chemistry: Mn5(AsO3OH)2(AsO4)2(H2O)4 Locality: Veta Negra mine, Pampa Larga Mining District, Tierra Amarilla, Chile Source: Bob Jenkins [view label] Owner: RRUFF Description: Sprays of pink thin prismatic crystals associated with siderite and cuproadamite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Hureaulite (4) ] |
CHEMISTRY | ||||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R070064.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 18.019(3)Å b: 9.281(1)Å c: 9.776(1)Å alpha: 90° beta: 96.115(9)° gamma: 90° Volume: 1625.8(5)Å3 Crystal System: monoclinic |
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REFERENCES for Miguelromeroite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Kampf A R (2009) Miguelromeroite, the Mn analogue of sainfeldite, and redefinition of villyaellenite as an ordered intermediate in the sainfeldite-miguelromeroite series, American Mineralogist, 94, 1535-1540 [view file] |
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Williams P A, Hatert F, Pasero M (2009) New minerals approved in 2009, in International Mineralogical Association 1-34 [view file] |
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