Tourmaline (Unusual Bicolor)This 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

black cyclic twinned crystals which are associated with unique and very rarely seen prismatic Quartz crystals (measuring up to 2

but it has excellent color saturation

Specimen# CO712B33

One of the inclusions could be a species of spider

highly lustrous

very lustrous

it's clearly pink when you view it in front of a dark background

they’re just not available and only a few truly fine specimens of this material exist

The surface of the specimen has a slight overgrowth of attractive green Malachite

A very attractive miniature display specimen featuring a full 1

but the strong orange color seen in this gem is almost unheard of

Specimen #TUC31702