pink gems

Dark green tourmaline and red rubellite gems can look very black in an emerald cut. Learn how to minimize this effect and show off these rich colors…

Learn how to cut spectrolite and other labradorite gems so you can showcase their striking color flash most effectively.

Learn about synthetic diamond creation and the challenges buyers face determining whether a diamond is natural or artificial.

Padparadscha sapphires show a blend of orange and pink colors, one of the rarest of all sapphire color combinations. Padparadschas are some of…

Sunstones contain hematite or goethite inclusions, which reflect light in parallel orientation and create a sparkling sheen in gold to brown…

Albite, usually colorless but sometimes yellow, pink, gray or reddish. Translucent albite is sometime colored green by chrome jadeite. It is…

Microcline is a variety of feldspar. The only microcline you are likely to encounter is amazonite.

Feldspars are the most common minerals at the Earth’s surface. In fact, if the entire composition of the Earth’s crust were regarded as a single…

Current Value of Coral Based on Color, Cut, Clarity and Weight