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Name: Menezesite RRUFF ID: R060979 Ideal Chemistry: Ba3MgZr4Nb12O42·12H2O Locality: Jacupiranga mine, Cajati, Sao Paulo, Brazil Source: Michael Scott S100864 [view label] Owner: RRUFF Description: Rootbeer colored dodecahedra associated with calcite, phlogopite, clinohumite, pyrite and magnetite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Group: [ Menezesite (2) ] |
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: | R060979.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 13.005(9)Å b: 13.005(9)Å c: 13.005(9)Å alpha: 90° beta: 90° gamma: 90° Volume: 2199.5(7)Å3 Crystal System: cubic |
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REFERENCES for Menezesite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Atencio D, Coutinho J M V, Doriguetto A C, Mascarenhas Y P, Ellena J, Ferrari V C (2008) Menezesite, the first natural heteropolyniobate, from Cajati, São Paulo, Brazil: Description and crystal structure, American Mineralogist, 93, 81-87 [view file] |
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