Pyrite Cube in Matrix | Spain terminated Often called "Cave Calcite" or

Often called "Cave Calcite" or flos ferri ("flowers of iron")

a result of tiny mineral platelets within the quartz that create aventurine’s signature glow

and are important index fossils

5” and weighs 0

The faceting highlights the natural clarity and richness of the stone while preserving its mineral character

Pyrite Cube in Matrix | Spain terminated Often called "Cave Calcite" orPyrite, or Iron Pyrite is a pale brass yellow iron sulfate (FeS2) mineral. It is also widely known as "fool's gold" for its uncanny resemblance. First recorded in 50 AD Greece, the name "pyrite" derives from the Greek word "pyro", meaning "fire". The cubic form is more rare and found only in Navajun, Spain. Industrially, it is mined for the production of sulphuric acid for the chemistry and fertilized industry. This item is 1. 5" x 1. 25" and weighs