HBM

Mineral, our passion

A simple rock or a crafted treasure? For millennia, minerals have fascinated and intrigued us. From a child's gaze of wonder to the collections of the most influential figures of their time, they tell us a timeless story.

A journey into crystal’s magical history

Explore

Buying

Whether you're seeking to purchase or searching for something unique.
Selling

If you have specimens to sell, you may naturally have questions.
Guidance

Each niche is complex. Surrounding yourself well is essential.

Magazine

Dive into the depths of mineralogy and discover exclusive content every month.

Industry
What if Paris had never know gypsum?

They call it the City of Light (Ville Lumière). But before that, Paris shone with another kind of brilliance: plaster.
Interview
Louis-Dominique BAYLE

I felt that there should be a dedicated publication in the country where mineralogy was born.

Mineral, our passion

A journey into crystal’s magical history

Buying

Selling

Guidance

What if Paris had never know gypsum?

Louis-Dominique BAYLE

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