Exceptional Heart Shaped Formation with Icy Calcites

With its extremely unusual central amethyst epimorph after calcite, this natural wonder evokes images of the legendary sword, Excalibur, magically fixed in the stone. Elsewhere we ...

This is a stunning half geode with a shape often referred to by collectors as a “chapel” or “cathedral”, due to the elongated shape that occurred millions of years ago when trapped b...

Sculptural and full of special features, this small yet gorgeous geode brings rarity at every point. Intact formations create an impressive landscape, resembling a natural cave or aquascape, with minerals that develop into a beautifully aesthetic composition. This rare combination makes it a standout piece for crystal aficionados, collectors, and décor artists seeking something truly extraordinary. The whole geode commands attention, and the first thing we notice is the calcite. It formed in different ways, with some perfectly crystallized formations adding a delicate touch to the specimen. The main calcite in this piece is a crystal after calcite, which could be a specimen in itself. Looking closely at it, on the back part of the geode, we find beautiful small amethyst rosettes...

The name “dioptase” comes from Greek, roughly translates to "to see through," and references the visibility of the cleavage plains within the translucent, brilliantly emerald green c...