Reference Type | Journal (article/letter/editorial) |
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Title | Embreyite, a new mineral from Berezov, Siberia |
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Journal | Mineralogical Magazine |
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Authors | Williams, S. A. | Author |
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Year | 1972 (September) | Volume | 38 |
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Page(s) | 790-793 | Issue | 299 |
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Publisher | Mineralogical Society |
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Download URL | https://rruff.info/doclib/MinMag/Volume_38/38-299-790.pdf+ |
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DOI | doi:10.1180/minmag.1972.038.299.02Search in ResearchGate |
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Mindat Ref. ID | 6582 | Long-form Identifier | mindat:1:5:6582:9 |
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GUID | 90684d8c-3ff9-4da0-9877-17ec9cecbda5 |
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Full Reference | Williams, S. A. (1972) Embreyite, a new mineral from Berezov, Siberia. Mineralogical Magazine, 38 (299) 790-793 doi:10.1180/minmag.1972.038.299.02 |
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Plain Text | Williams, S. A. (1972) Embreyite, a new mineral from Berezov, Siberia. Mineralogical Magazine, 38 (299) 790-793 doi:10.1180/minmag.1972.038.299.02 |
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In | (1972, September) Mineralogical Magazine Vol. 38 (299) Mineralogical Society |
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Abstract/Notes | SummaryEmbreyite is a new mineral that has been found only in old specimens collected at Berezov, Siberia. The composition is Pb4·97(CrO4)2·00(PO4)1·91.0·75H2O, or Pb5(CrO4)2(PO4)2. H2O based on both wet and electron-probe analyses. Z = I, Dmeas 6·45, Deale 6·41. Crystals are monoclinic with a 9·755 Å, b 5·636, c 7·135, β 103°5′ the space group may be P21/m. No single crystals were found. α = 2·20, β = γ = 2·36. Colour in various shades of orange with a yellow streak. H = 3½; no cleavages observed. Occurs with vauquelinite, crocoite, and phoenicochroite in the oxide zone assemblage from Berezov. |
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