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List of Gemstones: Precious and Semi-Precious Stones

WEBStar Sapphire. Star sapphire is a type of sapphire that displays asterism, a star-lik Gem Profile. Staurolite. Staurolite crystals in opaque cross shapes are popular gemstones. …

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URL: https://www.gemsociety.org/gemstone-encyclopedia/

Gemstones with Health Benefits

WEBIn ancient times, healers believed carnelian gemstones could be used to treat ailments of the blood. This carnelian ring stone features a carving of Asclepius, the Roman god of …

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Phenakite Value, Price, and Jewelry Information

WEBIn at least one case, near-colorless phenakite rough was submitted for gemological analysis as suspected diamond. Despite outward similarities, including trigon-like features, these …

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Beginner's Information

WEBGet Gemology Insights. Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID …

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Topaz Symbolism and Legends

WEBHealth, Magic, and Topaz Symbolism. If worn on the left arm, some believed a topaz amulet could protect the wearer from dark magic. In addition, this could relieve arthritis …

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Early History of Jewelry: Ancient Times to the 17th Century

WEBIran and the Mediterranean. The earliest traces of jewelry can be traced to the civilizations that bloomed in the Mediterranean and what is now called Iran around 3,000 to 400 BC. …

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Lapidary Health Hazards and Safety Tips

WEBAvoiding Lapidary Health Hazards: Proper Ventilation and Protective Gear. The major health hazards lapidaries face are dust (inhalation, ingestion, and contact with the eyes) …

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Serpentine Value, Price, and Jewelry Information

WEBSuch gems make very lovely and inexpensive jewelry pieces. All varieties of serpentine have very low hardness, which means they can be scratched very easily. Even …

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Garnet Symbolism and Legends

WEBBlood, Life Force, and Garnet Symbolism. Since ancient times, garnet's traditional red color was associated with the heart and blood. Thus, people believed garnet's mystical …

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Is Lab-Created Alexandrite Real Alexandrite

WEBAlthough synthetic gemstones are created in a lab, they have the same optical and physical properties as their mined counterparts. They grow from the same chemical ingredients …

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Can Wearing Gems That Touch Your Skin Improve Your Health

WEBThe healing properties of peridots, like this emerald-cut gem, are said to affect areas ranging from emotional to digestive well-being. However, the bottom edge or keel of this …

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Onyx Value, Price, and Jewelry Information

WEBThe popularity of onyx has led to some misuse of the term. The most common example of this is so-called "Mexican onyx," "limestone onyx," or "onyx marble." This material is …

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Gemstone Toxicity Table

WEBThis table has toxicity ratings for 280+ gems, based on their composition and potential for bioactivity, as well as descriptions of the hazards they may pose. Gem faceters and …

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Lab-Grown Diamonds FAQ

WEBChemically, physically, and optically, lab-grown diamonds are identical to natural ones. They're real diamonds with the same crystal structure and beautiful sparkle as natural …

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13 Purple Gemstones (How Many Do You Know

WEBPurple Spinel. A modern August birthstone option, spinel makes a durable gemstone and often shows incredible colors. Purple spinels come in tones ranging from light to dark …

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Carnelian Symbolism and Folklore

WEBBy Fara Braid. Ancient peoples all over the world favored the warm, reddish gem known as carnelian. This material was easy to cut into jewelry stones as well as carve into seals …

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Jade Symbolism and Legends

WEBJade Symbolism. Both jadeite and nephrite have inspired beautiful works of art and a rich body of lore. Jade symbolism covers themes of harmony, eternity, and virtue. Ancient …

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March Birthstone: Aquamarine

WEBThe modern birthstone representing March is aquamarine. Famed for millennia for its pure and even blue or blue-green color, potentially large size, and sparkling clarity, the …

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