Alex R. Hellmann Opals and OPALOGY gather their knowledge and expertise to provide to you a unique collection of Australian Black Opals, Boulder opals and Matrix boulder Opals

Alex R. Hellmann Opals

Alex has always been into rocks. He enjoyed fossicking with his dad, a mineralogist by trade, hunting for fossils and minerals in former Eastern Germany.

In the opal business since 2005, Alex started as a miner in Lightning Ridge. He regularly visits Australia to source the finest qualities of Black-, Boulder and Crystal Opals.

Since 2008, he is trading opals in Austria, Germany, Schwitzerland, Italy and in the United States to designers and jewellers.


Thomas Cenki has fallen into opals in his twenties. Since 2001 Thomas is dedicating his expertise in opals from the world to supply the jewelry industrie with rare and unique opals. He is at your disposal to present to you a collection of opals in France, in the UK and the USA.