Azurite is a blue copper mineral with the chemical formula It forms monoclinic crystals. Azurite weathers into malachite. Azurite is used as a pigment, in jewelry, and as a decorative stone. This stone is called "Velvet Beauty" from Bisbee, Arizona.
Rhodochrosite from South Africa. This specimen has the typical and highly desired raspberry colour, a very vivid and bright red, which just glows in the sunlight! It is on a manganese matrix, which is very rare and gives a beautiful contrast.