Pyrite Cube in Matrix Stone_Kyanite Our blue sage and sinuata

Our blue sage and sinuata bundles measure 4 to 5 inches

This dogtooth calcite specimen measures 19

Cyan chrysocolla and green malachite form together to make these pieces pop

This piece measures 6

Pyrite Cube in Matrix Stone_Kyanite Our blue sage and sinuataGlistening pyrite cubes from Navajun, Spain. Naturally formed cubic crystals in their matrix. Pyrite is an iron sulfide mineral that has been famously nicknamed "Fool's Gold". Its name comes from the Greek word "pyr," meaning fire because it can be used to create sparks when struck against a metal or hard material. Our items are natural, the piece you receive may vary slightly in shape, color, and size from our product pictures.