Senegalite is a rare aluminium phosphate. In this specimen we can observe several prismàtic transparent crystals on blue turquoise. This specimen is from the type locality for the species.

Senegalite is a rare aluminium phosphate. In this specimen we can observe several prismàtic transparent crystals on blue turquoise. This specimen is from the type locality for the species.

From a locality not represented in collections it is coming this specimen of aragonite. It shows aggregates of prismatic crystals, very sharp, in divergent growth, transparent and good brilliance. These specimens were collected in a nearby cliffs of two small volcanoes in the western end of the Cape Vert peninsula, near Dakar, in underground quarries. A mineral rarity.