gemstone

When cutting most pleochroic gemstones (Iolite, Tanzanite, Kunzite etc.), lapidaries typically try to minimize the pleochroism and maximize the single most prominent color.

在切割大多数的多向性宝时（如堇青、坦桑宝、紫锂辉等），通常宝匠会尽量缩小多向性并最大化地将某凸显出来。

Luminiferous gem is the man made modern night shining jewel developed with modern technology by research workers and caused strong echo in gemstone circle.

发光宝是近期由我国的科学工作者依靠现代科学技术研制出的“现代夜明珠”,在宝界引起强烈反响。