- 紫金山 Zǐjīn Shān Purple MountainPurple Mountain in the suburbs of Nanjing, featuring the Ming Xiaoling tombs and Sun Yat-sen's mausoleum
- 紫金山天文台 Zǐjīnshān Tiānwéntái Purple Mountain Observatory
- 紫金县 Zǐjīn Xiàn Zijin CountyZijin, a county in Heyuan City, Guangdong
- 紫金牛 zǐjīnniú Japanese ardisiaJapanese ardisia (Ardisia japonica)
- 紫金鹃 zǐjīnjuān violet cuckoo(bird species of China) violet cuckoo (Chrysococcyx xanthorhynchus)