The TAI Herbarium of the Institute of Ecology and Evolutionary Biology at National Taiwan University houses one of the oldest and largest collections of vascular plants in Taiwan. The TAI collection includes approximately 250,000 plant specimens and more than 1,000 types upon which a unique plant name and original description are based. ......

Since most precious stones are small in size, in order to better observe the imperfections such as inclusions and fractures on the gemstones, microscopes and magnifying glasses are employed. A microscope with 10X or 20X magnifications is usually used to observe the gemstones; for more detailed observations, magnification up to 70X can be used. ......