Black Moonstone Sphere Mineral SpecimenThis is a beautiful Black Moonstone sphere mineral specimen. It is iridescent from every angle! Just one glance and you are aware of its marbled different hues of grey and white, but when you move, you will see tan and brown also. Black Moonstone is a variety of Moonstone discovered very recently in Madagascar. It can be found naturally in black, tan, white, and grey throughout almost every specimen. You can find this stone made into different