the texture and whether or not it contains a spider web of rock veins, known as a matrix. Chrysoberyl is a rare gemstone that ...

Uncut gems often look fairly ordinary–like rocks. It's only when they are cut ... Ruby in the RoughIts green surroundings showcase a ruby from Tanzania in its unpolished beauty.

Curious about what makes Ipoh so green? Let’s take a tour of its most ... each featuring artificial rock formations that ...