Vivianite (notably "bent" crystals) Cuprite From the famous replacement ore

From the famous replacement ore body in the Camp Bird Mine

there have been some excellent Emerald gems coming out of Bahia

you almost never see specimens available on the market

but the color is a beautiful red-orange with unusual "banding" that can be seen on one side

Federico Pezzotta

Vivianite (notably "bent" crystals) Cuprite From the famous replacement oreA classic example of "bent" Vivianite in the form of a handful of sharp, lustrous, fine green color crystals with "sword" shaped terminations and minor altered sandstone. Vivianite is an incredibly soft mineral, and it can often bend to create uniquely twisted or distorted crystals unlike virtually any other species. Combine that with the fact that the crystals are notably gemmy, and you have a one of a kind miniature. Most of the crystals are