Types of Gemstones A to Z
This types of gemstones directory is based on information from Gemological institute of America. GIA is considered the world authority on gemstone and diamond research, grading and education.
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|Alexandrite||Bluish green in daylight, purplish red under incandescent light; hard and durable||8.5|
|Amber||Yellow, orange or golden brown; a fossilized resin, inclusions sometimes preserve ancient life||2.5|
|Amethyst||Purple to pastel gems from African and South American mines. Browse amethyst jewelry >||7|
|Ammolite||Each gemstone displays captivating, iridescent rainbow colors. Browse ammolite jewelry >||3.5-8|
|Aquamarine||Clear blue to greenish-blue variety of the mineral beryl. Browse aquamarine jewelry >||8|
|Citrine||Popular yellow variety of quartz that ranges from yellow to brown-orange color. Browse citrine jewelry >||7|
|Diamond||Valued for their colorless purity, but found in all rainbow colors; most diamonds are over a billion years old||10|
|Emerald||Blue green to deep green variety of beryl, sourced from Africa, South America and Asia. Browse emerald jewelry >||8|
|Garnet||Found in all the colors of the rainbow, known for red, orange and green; colors vary in their rarity. Browse garnet jewelry >||7.5|
|Iolite||Blue to violet hue, that can also display a pale yellow or colorless hue when viewed from certain directions||7.5|
|Jade||Green jade dates to the pre-historic era and is actually two separate gems: nephrite and jadeite||43989|
|Lapis Lazuli||Royal blue with golden streaks of pyrite; this rock is made of several minerals: lazurite, calcite and pyrite||5.5|
|Moonstone||A colorless, semi-transparent appearance with a light blue or silver sheen known as adularescence||6.5|
|Opal||Opal’s light diffraction results in a play of many colors; the color range and pattern help determine its value. Browse opal jewelry >||6.5|
|Pearl||Pearls take years to form and are produced in the bodies of marine and freshwater mollusks||3|
|Peridot||Yellow-green gemstone found in volcanic and mountain rock and meterorites. Browse peridot jewelry >||7|
|Ruby||Deep red color; known as the “king of precious stones.” Browse ruby jewelry >||9|
|Sapphire||Found in a variety of colors including yellow, green, orange, pink and purple; prized for their deep blue saturated hue. Browse sapphire jewelry >||9|
|Spinel||Spinel, often sourced in red and blue, is sometimes confused with ruby. Browse spinel jewelry >||8|
|Tanzanite||Blue-to-violet or purple hues; recently discovered in Tanzania in 1967. Browse tanzanite jewelry >||7|
|Topaz||Wide color range of brown, blue, green, yellow, orange, red, pink and purple. Browse topaz jewelry >||8|
|Tourmaline||One of the widest color ranges of any gem; prized for intense violet blue gems of Paraíba, Brazil. Browse tourmaline jewelry >||7.5|
|Turquoise||Opaque blue to green; among the world’s oldest found jewelry of ancient civilizations of Egypt, Mesoamerica and China||6|
|Zircon||Blue, yellow, green, red, brown and colorless hues; known for bright and lustrous light reflection; not to be confused with cubic zirconia||7.5|
- Gemstone Jewelry Buying Guide
- Gemstone Enhancement and Treatment Guide
- Pearl Jewelry Buying Guide
- Guide to Diamond Alternatives
- How to Clean Jewelry
Last Updated on December 29, 2020 by JewelryNStyle
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