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Fine Jewelry University
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Gem in the Spotlight: Garnet
……Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to gold, bright orange to true orange, brown to cinnamon, pinks to greens, and of course many shades of red. Garnets are …, 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 …
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Gem in the Spotlight: Tourmaline
… of colors is green and pink, but many other combinations of colors exist. Parti-colored tourmaline occurs when the gem is getting formed and the environment changes. Depending on which trace elements are present, as well as their … to become electrically charged in certain circumstances. In particular it demonstrates: Pyroelectric effects: When heated, tourmaline becomes electrically charged. Piezoelectric effects: Tourmaline becomes electrically charged when under…
