
Amethyst Description
Amethyst is the purple variety of the quartz mineral species and the gem most commonly associated with the color purple.


Amber Description
Amber formed tens of millions of years ago, when sap from ancient trees hardened and fossilized.

Citrine Description
Citrine—the transparent, pale yellow to brownish orange variety of quartz—is rare in nature. In the days before modern gemology, its tawny color caused it to be confused with topaz.




纽约 GIA
GIA's New York location at the International Gem Tower (IGT) celebrates the beauty and science of gemology with 14 display cases that highlight nearly 100 items from GIA’s museum collection.


“麒龙”硬玉雕刻
中国雕刻品常常寄托着好运、兴旺等美好的愿望。 麒龙或麒麟是中国古代一种独角兽,龙头马身。 这只麒龙的身上有扇子、葫芦、拂尘、笛子、莲花、石榴和竹筒 — 它们都象征着好运与财富。






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