Hydrothermal formation of pseudowollastonite from lime-quartz mixtures at 165° and 200°C
✍ Scribed by T. Mitsuda; S. Banno
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 154 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0008-8846
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The phase composition of samples prepared under hydrothermal conditions at 200°C from a suspension of mixtures of CaO, quartz and magnesite has been studied. When I0, 20, 30 and 50 wt % of CaO were substituted by magnesite, the mole ratio CaO/SiO 2 being 0,83 and 1,20 -chiefly tober~w)rite, gyrolite
Water suspension of mixtures of CaO, and quartz (CaO/SiO o = 1,2; 1,6 and 2,0) in which I0-50 wt % CaO were substituted by dolomite, were hydrothermally treated at 20O°C. X-ray phase analysis of reaction products showed that chiefly scawtite and partly calcium-and magnesium silicate hydrates were fo