svanbergiten.
/ˈsvanbəːɡʌɪt/ Mineralogy.† 1. = platiniridium n. Obsolete.
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1857 C. U. Shepard Treat. Mineral. (ed. 3) 303 Svanbergite (S.), Platiniridium, Svanberg... In small grains and rarely..cubes, with truncated angles.
2. [ < Swedish svanbergit (L. J. Igelström 1854, in K. Vetenskaps-Akad. Förhandlingar XI. 156).] A basic phosphate and sulphate of aluminium and strontium, SrAl3PO4SO4(OH)6, found as translucent rhombohedral crystals.
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the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two plus elements > basic
alumian1858
svanbergite1866
roeblingite1897
natroalunite1902
natrojarosite1902
plumbojarosite1902
tsumebite1913
1866 W. T. Brande & G. W. Cox Dict. Sci., Lit. & Art (new ed.) II. 532/3 Pissophane. Svanbergite. Amblygonite.
1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) 868 Svanbergite... In rhombohedral crystals, resembling cubes... Color honey-yellow to yellowish brown, reddish brown, and rose-red.
1900 Mineral. Mag. 12 252 Svanbergite is crystallographically very similar both to beudantite and also to hamlinite and florencite.
1979 Mineral Abstr. XXX. 422/2 The source of the Sr and P in the svanbergite was probably the basaltic lavas which covered northern Syria in the Quaternary.
This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018).
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