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Fine Jewelry University Articles matching: “Crystals”
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Fine Jewelry University
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Gem in the Spotlight: Tourmaline
…Paraíba, Brazil. Chrome tourmaline: is a vibrant and intense green. Most of chrome tourmaline’s color actually comes from vanadium. Watermelon: This variant of tourmaline has a pink center and green edges that resembles a watermelon. Crystals of this type are often cut in slices to display this unique property. One of tourmaline’s most distinctive traits is its ability to be multicolored as mentioned above with watermelon tourmaline. The gemological term for this is parti-…
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Gem in the Spotlight: Garnet
… lantern to navigate the Ark at night. The ancient world is full of praise for the carbuncle, the glowing red gemstone we now know as garnet. Early scientists named garnet from the Latin granatus, which means ‘seedlike’ because garnet crystals in rock reminded them of the shape and color of pomegranate seeds. Garnet is really a group of gemstones. The pyrope, almandine and spessartite are the red – brown to orange sometimes with a tint of violet varieties. The grossular, …
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Gem in the Spotlight: Aquamarine
… ordered from Garrard in 1957. The Gemology of Aquamarine Like emerald, aquamarine is a member of the beryl family (along with morganite, heliodor, and others). Unlike emerald, it is frequently free of flaws and often occurs in large crystals. Aquamarine’s main pigment comes from iron. The color spectrum of aquamarine varies from very pale blue to a deep blue, the finest specimens being the deepest in color. Most aquamarine stones have a subtle green component, and in some …
