Mohave purple turquoise from Arizona. It is composed of small nuggets of natural blue turquoise, to which they added red dye and a brassy-bronze metallic. Using a combination of heat and compression, and this is the end result.
Paraiba Tourmaline, named after the place it was found. It has appeared in the most amazing colours of neon blue (turquoise), green, blue, mauve and violet. Paraiba Tourmalines are amongst the most fine colours of tourmaline there is.
Tanzanite is a deep purple-blue in color, similar to iolite. It sold in faceted cuts and has a hardness of A recently discovered gem found in only one mine in Tanzania. JHJ has a beautiful 9 carat tanzanite set in white gold!
Ethiopian opal is still a new gemstone. Ethiopian opal is quite unique and different from more common Australian and Mexican opal. Not many people know about this opal yet. I am a gem cutter and have worked.
The Guinness Book of World Records names Painite as the rarest gem mineral on earth. Painite has so far only been found in Myanmar, Indonesia. Painite colors vary from pink to brown. Painite will appear a different color when viewed from different angles.