Chalcedonies include many types of cryptocrystalline quartz gems and feature a number of different colors. Geologists can tell a chalcedony from the arrangement and structure of its crystals.

The colors of rubies and emeralds are so striking that they define shades of red and green – ruby red and emerald green. But ...

Astrology connects colors and gemstones to each zodiac sign to enhance strengths and balance. For example, Aries benefits ...

The highest-quality gems have no inclusions visible to the naked eye, are vibrant in color, and are typically more expensive gems like rubies, sapphires and emeralds. GIA would rate the highest ...

A garnet's color depends on its chemical composition, according tothe International Gem Society. For instance, almandine garnets range from deep red to purple. While andradite garnets can be ...

If you are interested in Natural Stones from Synthetic then you are at the right place, Alexander Ostrovskiy can be your guide to choose the right one. Learn all about natural and synthetic gemstones ...