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pseudowollastonite
pseudowollastonite n. 
/ˌsudoʊˈwɑləstəˌnaɪt/ [after French pseudowollastonite ( A. Lacroix Minéral. de la France (1893 –5) I. 624)] Mineralogy a structurally distinct form of the mineral wollastonite occurring in slags, cement, and ceramic materials that is stable at high temperatures and normally changes to wollastonite at ordinary temperatures.Pseudowollastonite is a calcium silicate, CaSiO3. Crystal system: monoclinic.
Brit. /ˌs(j)uːdə(ʊ)ˈwʊləstənʌɪt/
, /ˌs(j)uːdə(ʊ)ˈwʊləstənʌɪt/U.S. /ˌsudoʊˈwʊləstəˌnaɪt/
, /ˌsudoʊˈwʊləstəˌnaɪt//ˌsudoʊˈwɑləstəˌnaɪt/ΘΚΠ
the world > the earth > minerals > types of mineral > silicates > inosilicates single chain > [noun] > pyroxenoid > wollastonite
schaalstein1804
table spar1814
wollastonite1823
grammite1826
pseudowollastonite1905
parawollastonite1935
1905 Science 1 Dec. 703/2 Reversion from pseudo-wollastonite to wollastonite does not take place when the two forms are heated together below the inversion point.
1970 R. W. Andrews Wollastonite 5 Natural pseudowollastonite has been reported from only one locality, in Iran.
1990 Sci. Amer. Apr. 81/2 (caption) Tiny droplets in the glaze emulsion were etched away by acid, leaving a pitted surface; the white balls are pseudowollastonite crystals, which make the glaze cloudy.
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