High Flash Labradorite Lapidary Cutter Rough Chunk Botswana Agate and is often mostly fracture

and is often mostly fracture free

Nellite is a material mined on a neighboring claim to the famous African Pietersite deposit

Weight: Approx 3 lbs 5

and I was just informed that the mine this comes from has been permanently shut down

and sometimes

High Flash Labradorite Lapidary Cutter Rough Chunk Botswana Agate and is often mostly fractureLabradorite 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