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Rubellit - Red Tourmaline

The gemstone Tourmaline has been known since ancient times. However, since it has very different external appearances, which all have colors of the rainbow, it was often confused with other stones. The red tourmaline was therefore called "Karfunkel" in the Middle Ages, as was the ruby or garnet. Green tourmalines were also confused with emeralds, […]

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The green color (Greek "malache" = malwe), perhaps also the low hardness (gs. "malakos" = soft) gave the malachite the name. In fracture or ground, aggregates cine banding of lighter and darker layers withconcentric rings, straight stripes or any figurative images due to the skinning structure. Rarely, larger monochrome pieces are obtained. Translucent in thin […]

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Prehnite, also known as aedelite, chiltonite, coupholite and noblerite or under the trade names Cape Chrysolite and Cape Emerald, is a common mineral from the mineral class of "silicates and germanates" with the chemical composition Ca2Al[(OH)2| AlSi3O10]. Prehnite is thus chemically a calcium-aluminium silicate with additional hydroxide ions. The mineral crystallizes in the orthorhommy crystal […]

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Sigmund Zois von Edelstein

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 […]

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Wulfen, Franz Xavier von Freiherr Franz Xavier von Wulfen

* 5.11.1728 Belgrade; + 17.3.1805, Klagenfurt He was an Austrian theologian, philosopher and naturalist. The son of Field Marshal Lieutenant Christian Friedrich von Wulfenwarr, he was born in Belgrade. His first education was in Kaschau (then Hungary) and joined the Jesuit order in 1745. He studied philosophy, mathematics and theology. From 1755 he worked as […]

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Alois Steiner Jr.

* 1939 His father infected him with the Stoasuacha virus at an early age. As a young child, he was taken on the mineral search by his father, Alois Steiner Sr., who was already considered a legend in collectors' circles. When he found his first stone at the age of five, his passion was awakened, […]

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Josef Papp

*1941 in Stuhlfelden He often travelled alone in the mountains from a young age and therefore had a high level of experience about the possibilities and dangers of mountain walking. Josef Papp has chosen the Felbertal as his "revier". The Titanite (Sphen) is his preferred stone, of which he possesses admirable specimens, which are reminiscent […]

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René-Just Haüy, also Abbé Haüy

He was born in Saint-Just-en-Chaussée an der Oise. † June 3, 1822, in Paris He was a French mineralogism. The mineral Haüyn is named after him. In 1804 he was elected a member of the Royal Prussian Academy of Sciences; He was an honorary member from 1812. In 1809 he became a corresponding member of […]

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Chrysokoll means "gold glue" (girech. chrysos=gold, kolla=glue). However, the exact origin of the name is uncertain. Synonyms for this stone are abundant: Atlas ore, Dillenburgite, Grünspan, Malachite pebble, Resanit. The chrysocollum is always secondary to the action of silica-containing ground water and leachate on copper-containing rock. Like azurite or malachite, it is one of the […]

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