mollis materia
Calcita, Dolomite, BOLUS ALBA, Barite, Vicus tractus, TALCUM, Zircon Arena, Wollastonite: Carbo carbonis pulvere, lux Calcium Carbonate, Micha, Bauxite, Attapulgite, Brucite, Bentonite Henricus Garnetus extremum Magnesite, Andalusite, Pyrophyllite Potassium Feldspar, diopside, Rectorite, Diatomite , Gypsum, Pearlite etc.
durum materiales
Carborundum, Boron carbide, White corundum, Zirconia: Cerium cadmiae, Alumina Maximum Temperature: Silicon Nitride, Boron Nnitride, Brown Fused Alumina etc.
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