Most of all, he was engaged in the glass works in Nové Hrady region. On the basis of many experiments he succeeded in inventing an original process technology of a black opaque glass called hyalite (1817), as well as completing the production process for red hyalite (1819).
Georg Franz August Graf von Buquoy   (; 7 September 1781 in Brussels – 9 or 19 April 1851 in Prague) was a Bohemian aristocrat, mathematician, and inventor. He studied mathematics, natural science, philosophy, and economics at the Prague and Vienna universities.