 | | Report (issue) | | Churchite-(Y) YPO4 • 2H2 O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic...17 β = 115.3◦ Z=4 X-ray Powder Pattern: Cornwall, England. 4.21 (vvs), 7.50 (vs), 3.02 (vs), 2.82 (ms)...(ms), 4.70 (m), 3.74 (m), 2.62 (m) Chemistry: P2 O5 (Y, Er)2 O3 (La, Nd)2 O3 Ce2 O3 Fe2 O3 CaO H2 O insol...23 16.38 Total 99.78 100.24 100.00 (1) Cornwall, England; corresponds to [Y0.74 (La, Nd)0.11 Er0.07...Distribution: In England, from Cornwall, at the Tretoil mine, Lanivet, near Bodmin, and at Wheal Pendarves, Camborne |  | | Book | | Endsleigh House 50 Daniell Road Truro, Cornwall TR1 2DA England Printed in Great Britain by Short Run...that he knew of no place on earth that surpassed Cornwall in the number and variety of its minerals. Hogg's...is subtitled 'in wich [sic] is shown how much Cornwall contributes to the illustration of the science'...later by Collins' A Handbook to the Mineralogy of Cornwall and Devon' (1871; 1892 with addenda, the latter...mention Purser's 'Minerals and locations in S.W. England' (1974). The work was never published, although |  | Onac, B. P., Ettinger, K., Kearns, J., Balasz, I. I. (2005) A modern, guano-related occurrence of foggite, CaAl(PO4)(OH)2 · H2O and churchite-(Y), YPO4 · 2H2O in Cioclovina Cave, Romania. Mineralogy and Petrology, 85 (3) 291-302 doi:10.1007/s00710-005-0106-4 | Journal (article/letter/editorial) | | occurrence of foggite, CaAl(PO4)(OH)2 H2O and churchite-(Y), YPO4 2H2O in Cioclovina Cave, Romania B...Effenberger Summary This study reports foggite and churchite-(Y) from two spatially separate locations in the...(P0.991Si0.043)1.034O3.74(OH)2.26 H2O and churchite-(Y) [(Y0.830Dy0.043Er0.033Gd0.029Yb0.022)0.957Ca0...023O4.00 2H2O. Chemical analyses of Cioclovina churchite-(Y) clearly revealed enrichment in lanthanides...197(7) Å, and V ¼ 1027.13(8) Å3 (Z ¼ 8); for churchite-(Y) (monoclinic): a ¼ 5.578(8) Å, b ¼ 15.013(6) |  | | Book | | PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...hystatite .................................... 262 Y: yarrowite to yugawaralite .........................the production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin...Oxford University Museum of Natural History; Royal Cornwall Museum, Truro; Sedgwick Museum, University of...a'1thanum 36 57 VI Tungsten Li L'.h;um Lutc:tium Xe y Xenon Lu l/.3 11.agnesum 3 71 12 Yb Ytterbium |
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