A new three-axis spindle stage has. been developed for the direct measurement of 2V and indicatrix orientation determination. Its design is simple and can be ma
Principal transparent minerals in the Jilin meteorite include forsterite (Fa 17.8--19.5), orthopyroxenes (mainly Fs 14.1-15.8), clinopyroxenes (clinobronzite, d
Gold-bearing base-metal deposit is one of the important types for gold and has received increasing attention. Results of this study show that all the gold in th