Labradorite Slab Lapidary Stone Slice Cut Rock Point Plume Agate It has a very high

It has a very high mineral content

Measurements (inches - longest - approx):  7

Coprolite gains its colors from present minerals

Here is a stunning slab of the red variety of Gary Green Larsonite known as Caldera Paint Jasper

Summerville Agate is a pretty unique one for sure

Labradorite Slab Lapidary Stone Slice Cut Rock Point Plume Agate It has a very highLabradorite is a gorgeous form of feldspar named after the stunning labradorescence it displays. It can have a large mix of colors present, and it lights up while turning slowly at the right angle, similar to the Schiller effect. The stunning effect is caused by lamellar twinning inside the crystals, which causes a unique refraction of light within them, lighting them up in the display you see. Feldspar is an Aluminum Tectosilicate, a crystal