scawtiten.
/ˈskɔːtʌɪt/ Mineralogy.
A hydrated carbonate and silicate of calcium which occurs as minute, colourless, monoclinic crystals.
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the world > the earth > minerals > types of mineral > carbonates > [noun] > hydrated calcium carbonate
pentahydrocalcite1910
trihydrocalcite1910
scawtite1929
the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > silicate of calcium
gyrolite1851
plombierite1866
xonotlite1868
tobermorite1880
scawtite1929
1929 Nature 7 Dec. 896/1 C. E. Tilley: On scawtite... This new monoclinic mineral, with composition 6CaO.4SiO2.3CO2, occurs in the contact zone between the chalk and the dolerite.
1930 C. E. Tilley in Mineral. Mag. XXII. 224 It is proposed to designate this new mineral scawtite, from the original locality, Scawt Hill, Co. Antrim.
1957 Amer. Mineralogist 42 387 A zone about ten inches thick between the larnite zone and the limestone consists essentially of scawtite. The scawtite rock is greyish-white, dense and flinty.
1973 Acta Crystallographica B. XXIX. 73 Scawtite contains 2 units of Ca7(Si6O18)(CO3).2H2O in a monoclinic cell.
This entry has not yet been fully updated (first published 1982; most recently modified version published online June 2018).
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n.1929