This specimen features black cronstedtite crystals on a matrix largely composed of pyrite and calcite. The cronstedtite forms flat-topped, conical crystals, exhibiting a satin lustre. Cronstedtite is a mineral species from the silicate group, specifically the phyllosilicate subgroup. This particular specimen originates from the famous Salsigne Mine in France, a notable locality for rare mineral finds.
Be the first to know: latest additions, featured minerals, events, and exclusive updates await you.
Subscribe Now!
Website design by Melanie Lane.
Development and maintenance by Wenex Media Works.
