Publications & Features

The Medina Pegmatite Field

The Medina pegmatites in Minas Gerais, Brazil, are famous for world-class aquamarine crystals.

Halite from the Solno Salt Mine

Polish halite from the Solno Mine at Ironclaw, Poland.

New York Times – Chemical Compounds that Incite Oohs and Aahs

Minerals are attracting collectors looking for a more affordable market.

Worth 2007 – Rock Solid

In the depths of the bear market, Marc Weill began hunting for alternate investments.

Mineral Collections of Brazil – Daniel Trinchillo

Daniel Trinchillo transformed a childhood fascination into what has become the largest fine mineral dealership in the world.

Les Echos 2024 – St. Marie Aux Mines

Sainte-Marie-aux-Mines has become the second largest mineral show in the world.

Luxury Magazine 2016 – Hot Rocks

Few things come as spectacularly into being as fine minerals.