- 紫金山 zǐjīnshān Purple MountainPurple Mountain in the suburbs of [[南京|南京|nan2 jing1]]; the site of various landmarks including the [[中山陵|中山陵|zhong1 shan1 ling2]] and [[明孝陵|明孝陵|ming2 xiao4 ling2]].
- 紫金山天文台 zǐjīnshāntiānwéntái Purple Mountain ObservatoryPurple Mountain Observatory; a major astronomical research institute located in Nanjing, China
- 紫金县 zǐjīnxiàn Zijin CountyZijin County in Heyuan City, Guangdong province
- 紫金牛 zǐjīnniú Japanese ardisiaA species of evergreen shrub, specifically Ardisia japonica, known for its small red or white spherical fruit and serrated leaves; used in traditional medicine and as an ornamental plant.
- 紫金鹃 zǐjīnjuān violet cuckoo(bird species of China) violet cuckoo (Chrysococcyx xanthorhynchus)