Category Archives: Other Gems

Cultured Pearls

Japanese Akoya (saltwater) cultured and natural pearls are similar in that both have a nacreous coating formed around an irritant.  In the case of a cultured pearl the irritant is typically a mother of pearl bead only slightly smaller than the cultured pearl. Freshwater cultured pearls are tissue-nucleated and subsequently are not as spherical as […]

Amethyst

The amethyst is February’s birthstone and it is associated with many myths and legends. The story is told that Bacchus, the Greek god of wine, was insulted one day by a mortal. Enraged, he called forth vicious tigers to exact revenge on the next mortal who would cross his path. This unfortunate individual was the […]

Alexandrite

Alexandrite, a color changing gemstone, was first discovered in the Ural mountains of Russia in the 1830’s. The finest material changes color from a ruby red to a emerald green. Most gemstones show a more subdued color change or display less distinctive colors, typically a greenish blue or yellowish green changing to a purplish red […]