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Clark, A. M., Fejer, E. E., Couper, A. G., Jones, G. C. (1984) Sweetite, a new mineral from Derbyshire. Mineralogical Magazine, 48 (347) 267-269 doi:10.1180/minmag.1984.048.347.12

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Reference TypeJournal (article/letter/editorial)
TitleSweetite, a new mineral from Derbyshire
JournalMineralogical MagazineISSN0026-461X
AuthorsClark, A. M.Author
Fejer, E. E.Author
Couper, A. G.Author
Jones, G. C.Author
Year1984 (June)Volume48
Issue347
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_48/48-347-267.pdf+
DOIdoi:10.1180/minmag.1984.048.347.12Search in ResearchGate
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Mindat Ref. ID3624Long-form Identifiermindat:1:5:3624:9
GUID0
Full ReferenceClark, A. M., Fejer, E. E., Couper, A. G., Jones, G. C. (1984) Sweetite, a new mineral from Derbyshire. Mineralogical Magazine, 48 (347) 267-269 doi:10.1180/minmag.1984.048.347.12
Plain TextClark, A. M., Fejer, E. E., Couper, A. G., Jones, G. C. (1984) Sweetite, a new mineral from Derbyshire. Mineralogical Magazine, 48 (347) 267-269 doi:10.1180/minmag.1984.048.347.12
In(1984, June) Mineralogical Magazine Vol. 48 (347) Mineralogical Society
Abstract/NotesAbstractSweetite, naturally occurring Zn(OH)2 with tetragonal symmetry, has been found at Milltown, near Ashover, Derbyshire. It occurs as colourless or whitish bipyramids up to 1 mm in size scattered over the surface of colourless fluorite cubes. The cell dimensions are α 8,222 and c 14.34Å with Z = 20. The strongest lines of the X-ray powder pattern are (d, I, hkl): 4.53 37 (112); 3.572 60 (004,202,211); 2.922 100 (213,220); 2.708 18 (105,204); 2.257 17 (224,215,321); 1.840 11 (226,420,413); 1.764 24 (316). Sweetite is uniaxial negative, ω 1.635, ɛ 1.628. Dmeas is close to 3.33 and Dcalc 3.41. Chemical analysis gave 84.3% ZnO and 17.0% H2O, while theoretical figures for Zn(OH)2 are 81.9 and 18.1% respectively.

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Sweetite

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Clark, A. M., Fejer, E. E., Couper, A. G. (1984) Caratiite, a potassium, new sulphate-chloride of copper and from the lavas of the 1869 Vesuvius eruption. Mineralogical Magazine, 48 (349) 537-539 doi:10.1180/minmag.1984.048.349.09
Fejer, E. E., Clark, A. M., Couper, A. G., Elliott, C. J. (1977) Claringbullite, a new hydrated copper chloride. Mineralogical Magazine, 41 (320) 433-436 doi:10.1180/minmag.1977.041.320.02
Clark, A. M., Fejer, E. E., Cressey, G., Tandy, P. C. (1988) Ashoverite, a New Mineral, and Other Polymorphs of Zn(OH)2 from Milltown, Ashover, Derbyshire. Mineralogical Magazine, 52 (368) 699-702 doi:10.1180/minmag.1988.052.368.14
Clark, A. M., Couper, A. G., Embrey, P. G., Fejer, E. E. (1986) Waylandite: new data, from an occurrence in Cornwall, with a note on ‘Agnesite’. Mineralogical Magazine, 50 (358) 731-733 doi:10.1180/minmag.1986.050.358.23
Clark, A. M., Bearne, G. S., Fejer, E. E., Din, V. K., Couper, A. G. (1980) Additional data on sugilite. Mineralogical Magazine, 43 (331) 947-949 doi:10.1180/minmag.1980.043.331.23
Clark, A. M., Fejer, E. E., Couper, A. G., von Knorring, O., Turner, R. W., Barstow, R. W. (1983) Iron-rich roscherite from Gunnislake, Cornwall. Mineralogical Magazine, 47 (342) 81-83 doi:10.1180/minmag.1983.047.342.16
Fejer, E. E., Hey, M. H. (1984) Thirty-third list of new mineral names. Mineralogical Magazine, 48 (349) 569-586 doi:10.1180/minmag.1984.048.349.22
Clark, A. M., Couper, A. G. (1979) End-member triploidite from Cornwall. Mineralogical Magazine, 43 (325) 179-180 doi:10.1180/minmag.1979.043.325.22
Couper, A. G., Hey, M. H., Hutchison, R. (1981) Cosmochlore—a new examination. Mineralogical Magazine, 44 (335) 265-267 doi:10.1180/minmag.1981.044.335.04
Couper, A. G., Clark, A. M. (1977) Stokesite crystals from two localities in Cornwall. Mineralogical Magazine, 41 (319) 411-414 doi:10.1180/minmag.1977.041.319.23
Clark, A. M., Fejer, E. E. (1976) Zoned genthelvite from the Cairngorm Mountains, Scotland. Mineralogical Magazine, 40 (314) 637-639 doi:10.1180/minmag.1976.040.314.11
 
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