All about Jewels： Illustrated DictionaryofJewelry：可以查询到每一种宝石或者珠宝的图片，并且了解所属的矿石、流行历史、重力和颜色。
Find a picture of each gem or jewelry and learn about its minerals, fashion history, gravity and colors.
在作为宝石使用的所知道的120种矿石中，只有25种是现在珠宝业通常使用的。
Of 120 minerals known to have been used as gemstones, only about 25 are in common use in today jewelry.
在作为宝石使用的所知道的120种矿石中，只有25种是现在珠宝业通常使用的。
Of 120 minerals known to have been used as gemstones, only about 25 are in common use in today jewelry.
应用推荐