Tourmaline (Unusual Bicolor) Smithsonite which is a perfect identifier

which is a perfect identifier that it's truly a Brookite

The piece has a bit of internal "silk" and shows a very slight internal "cat's eye" effect when rotated in the light

The pink Rhodochrosite and white Quartz round out the specimen perfectly

incredibly rare

Specimen # CUNM72001

Tourmaline (Unusual Bicolor) Smithsonite which is a perfect identifierThis Tourmaline gem is a great example of the less common material from Nigeria featuring a strange bi color appearance with a mix of pinkish orange and tan or beige hues depending upon the light. The gem shows a decent amount of pleochroism as well so you can find a different color from every direction. It's nearly eye clean with only one small inclusion that I can see with the naked eye. This is a special kind of collector's stone, as the coloring