三色性 meaning in Chinese

trichroism
trichromatism

Some varieties of zoisites are clear . these can be heat - treated to produce a blue - violet gem called tanzanite
颜色不均，有明显的三色性：深蓝紫红黄绿色。
The property possessed by certain minerals of exhibiting three different colors when viewed from three different directions under white lights
三色性某些矿物质所具有的特性，当放在白光下从三个不同的方向观察，会呈现出三种不同的颜色
Both names , zoisite and tanzanite , have become interchangeable , but there are other less available types of zoisite , including thulite , a rose colored variety . most often , zoisite is usually gray although it can be brownish , greenish , or bluish
黝帘石呈红褐色、深紫色，透明、块体大，经过加热处理变成象蓝宝石一样的靛蓝色。颜色不均，有明显的三色性：深蓝、紫红、黄绿色。