Novelty in SMAM 2025. These are globular aggregates of acute strontianite crystals, white, with a certain transparency, and standing out against a matrix of celestine crystals, very defined, rich in facets, transparent, and lustrous. They come from a mine called "Siniye Kamni" (Russian: Синие Камни), which in Russian means "blue stones," according to the Russian supplier, one of the few at SMAM. They have been analyzed using scanning electron microscopy (SEM-EDS).

Reserved