talmessiten.
/talˈmɛsʌɪt/ Mineralogy.
A hydrated arsenate of calcium, magnesium, and barium, Ca2(Mg, Ba)(AsO4)2.2H2O, found as triclinic crystals.
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the world > the earth > minerals > types of mineral > arsenates > [noun] > others of two plus elements
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talmessite1961
1961 Chem. Abstr. 55 8186 Analysis of an arsenate of Ca and Mg discovered in 1955..permits the definition of this new mineral as an isomorph of β-roselite... The name talmessite is proposed for the mineral.
1977 Mineral. Abstr. XXVIII. 229/2 White fibrous radiating aggregates of talmessite occur linked with the baryte.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1961