Anatase occurs in many beautiful colors, such as deep indigo and amber yellow. However, these rare gems are seldom transparent […]

Large colorless crystals of Analcime are a great rarity although small transparent crystals are abundant. Faceted gems are extremely rare

Large colorless crystals of Analcime are a great rarity although small transparent crystals are abundant. Faceted gems are extremely rare

Ametrine is a variety of quartz that displays bands of both amethyst purple and citrine yellow. These gems are typically

Discover everything about amethyst gemstones — from their meaning and properties to color variations. Learn about this purple February birthstone’s

Amblygonite gems are usually pale straw yellow. Although they are too soft and cleavable to make good ring stones, collectors

Amber is the hardened resin of ancient pine trees. This organic substance is most well-known for the incredible inclusions of

Almandine is perhaps the most common garnet species. Forming series with pyrope and spessartine garnets, these gems occur in the

Bright, silvery metallic cabochons of algodonite and domeykite Gemostones are attractive and unusual. Faceted pieces are rarely seen but very

Discover the rare and mesmerizing alexandrite gemstone. Learn all about the incredible color-changing properties, value factors, and origins of this