Until 1911, the State had been running the opal mines. Although there were efforts to sell them, the candidates withdrew from the contract as a result of the outbreak of the World War I.
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Anselmus de Boodt, personal physician of Emperor Rudolf II. and founder of modern mineralogy, describes in his work Gemmarum et Lapidum an old, overcast mine for precous opal, confirming the presence of mining in the Slánske vrchy mountains long before the first written mention of it.
In 1903, the opal grinding was terminated in Dubník.
The search for magic opal was successful. This is evidenced by the order of Emperor Rudolf II, addressed to Stefan Kecer of Pekľany, ordering him to make his land accessible to the mining of precious stones. This written document confirms that the opal mine by Červenec is officially the oldest..Dozvedieť sa viac…
By the Ministry of Finance Decree in Budapest, opal mines were put into operation by the State.
The first written mention of precious opal in our territory comes from 14th May 1597, when Emperor Rudolf II. of Habsburg gave permission to Albert the Great, considered the greatest thinker of the Middle Ages, to seek the rare opal throughout Historic Hungary.
The technologies are also being modernized in the mining industry, as evidenced by the position of the steam engine and the pulsometer. During this period, the Egger family discovered a large amount of gem in a place that is still called the Gizela’s Chapel. After the discovery of opal in..Dozvedieť sa viac…
On 12 August 1880, the landlord Jozef Bánó and the Egger brothers acquired the opal mines. In the early years they thrived. In Dubník they built a new grinding shop, and in the Viliam tunnel they built the first mining railway. In 1886, Jozef Bánó sold his share to the..Dozvedieť sa viac…
In 1873, an important world exhibition was held in Vienna, where opal gained the attention and favour of the Emperor Franz Joseph I. He granted Adolf Ľudovít Goldschmidt a knightly order, a noble title, and the predicate von Libanka.
In 1871, Emilia Goldschmidt died of tuberculosis. After the death of his mother, the first-born son Adolf Ľudovít Goldschmidt von (de) Libanka continued the family tradition.