November 1747 Trieste; † 10 November 1819 Ljubljana

Zois intervened in the confrontation between Neptunists and Volcanoists, based on his geological knowledge. They disagreed on the formation of the mountain.

On the basis of found fossils, he proved that the triglav is built from the limestone that originated from marine deposits,

His mineral collection became the foundation stone of the Krainische Landesmuseum in Ljubljana, founded in 1821 and officially opened in 1831; Today the collection can be seen in the Natural History Museum Slovenia.

At the turn of the century (1805), Zois sent two mineral seekers to the Saualpe. The Saualpit, which he named, was later named Zoisit in his honor.

in the neighbouring Duchy of Carinthia; From there, in 1805, Simon Presern brought to him the mineral, which Was called saualpit, which was not known until then; it was later named Zoisit in Zois’ honor.

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