Prehnite 10x14-13x17mm Faceted Tumble Nugget - 15-16 InchPrehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South Africa in 1774. Prehnite is translucent to transparent, in colors from light green to yellow green to olive, with occasional inclusions of Black Tourmaline that crisscross the stone in fibrous patterns. It is a phyllosilicate composed of silicon, calcium and aluminum with trace amounts of iron.

Shungite is a black

this Limited Number Batch of Dakota Stones rough material is perfect for gift giving or to keep for yourself

and madero negro

Blood Quartz is a clear to milky to white silicon dioxide mineral

This banded strand of chips features Amethyst

Amazonite is a member of the feldspar family

which form fragmented patterns throughout the stone

These ear wires are a jewelry makers must have

Clean gently with warm water and mild soap

the resulting rock is dark gray to deep black in color and riddled with pits and holes where air was trapped in the stone

Lapis is a semi-precious stone and one of the most sought after throughout history

it was feared for centuries as a bad luck stone