If you’re a fan of fast-paced, side-scrolling shooters with a dash of quirky charm, Dolphin Blue might just be one of the coolest retro games you’ve never heard of or played. Released in 2003 by Sammy ...

During the last 20 years, Australia has assumed a major role in the production of blue sapphire. Most of the gem material comes from alluvial deposits in the Anakie (central Queensland) and New ...

In gemological microscopy, the compensator can be useful in locating interference colors and optic figures in birefringent materials and in delineating strain in gemstones. In polarized light ...