Nail Head Calcite | Tri-State matrix These stones are made up

These stones are made up of fragments of course-grained igneous rock

It derives its name from its delicate rose-pink hue

5” and weighs 13oz

Technically the geological community does not define Amber as a crystal due to its creation stemming from organic matter

or Iron Pyrite is a pale brass-yellow iron sulfate (FeS2) mineral

Nail Head Calcite | Tri-State matrix These stones are made upThis specimen features sharp, golden nail head calcite crystals from the historic Tri State mining district of Missouri, Kansas, and Oklahoma. The distinctive flattened crystal habit gives the appearance of nail heads, a signature form from this region. Under ultraviolet light, the calcite fluoresces, adding an extra dimension to its natural beauty. A fine example of classic Tri State mineralogy and vintage American mining heritage. This item is 4. 5