单词 | pirssonite |
释义 | pirssoniten. Mineralogy. A mineral of the orthorhombic crystal system which consists of a hydrated carbonate of sodium and calcium, Na2Ca(CO3)2.2H2O, and occurs as brittle pyroelectric crystals. ΘΚΠ the world > the earth > minerals > types of mineral > carbonates > [noun] > other hydrous or hydrated scarbroite1829 liebigite1848 zaratite1858 schröckingerite1875 pirssonite1896 artinite1903 rosasite1909 stichtite1911 sharpite1939 manasseite1941 sjögrenite1941 takovite1957 reevesite1967 1896 J. H. Pratt in Amer. Jrnl. Sci. 152 130 The author takes pleasure in naming this mineral pirssonite, in honor of his friend and associate, Prof. L. V. Pirsson, of the Sheffield Scientific School. 1933 Jrnl. Chem. Soc. 1162 Gaylussite is in equilibrium with pirssonite at 37–40°. 1975 Nature 13 Mar. 128/2 Large..crystals of pirssonite and gaylussite, oriented by their ‘c’ axes at high angles to bedding, are common in parts of these cores. 1999 N. Amer. Papermaker (Nexis) 81 86 Calcium carbonate and pirssonite can impede the flow [sc. in pulp mills]. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1896 |
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