
Learn About Sphene
Sphene, also known as calcium titanium silicate, is a mineral that forms flattened wedge-shaped crystals that are usually twinned and have significant re-entry angles. It can also be found in massi...

Learn About Rhodolite
Most people think of a rich red gemstone when they hear the word garnet. But, unexpectedly, it is available in a wide range of species and combinations, resulting in a wide range of gorgeous hues. ...

Learn About Tsavorite
While other garnets have been around for ages, the tsavorite variety is relatively new. Because of this, the deep green tint of this gem is associated with a wealth of symbolism.

Learn About Morganite
Morganite, like many other gems found in pegmatites, can grow into huge crystals. Miners in Brazil have discovered crystals weighing as much as 22 pounds (10 kg).

Learn About Alexandrite
Alexandrite is an extremely rare color-changing variation of the mineral chrysoberyl that is sometimes referred to as "emerald by day, ruby by night" by gem connoisseurs.

Gemstones Guide
Learn About Moissanite
Moissanite is a mineral that is both exceedingly beautiful and extremely uncommon. It occurs naturally in the form of silicon carbide, and it is extremely valuable.

Gemstones Guide
Learn About Lab Diamonds
Lab-grown diamonds are artificial diamonds that have been generated in a highly controlled laboratory setting by scientists. The chemical composition, carbon atom structure, optical qualities, and ...