Introductio Pulvis Wollastoniti, mineralis naturalis cum formula chemica CaSiO3, multam attentionem in variis sectoribus industrialibus meruit propter suas singulares proprietates physicas et chimicas. Nomen deductum est ab anglico chemico Guilielmo...
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Runhuabang suppeditat mineralia non-metallica, inter quae pigmenta ferri oxydii, pulvis silicii, kaolinus, diatomita et zeolitus, atque alia, cum solutionibus ad mensuram per totum orbem.
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