- Namakwa District Municipality
- Nama Khoi Local Municipality
| Cui, Shiyuan, Xu, Bo, Shen, Jiaqi, Miao, Zhuang, Wang, Zixuan (2023) Gemology, Spectroscopy, and Mineralogy Study of Aquamarines of Three Different Origins. Crystals, 13 (10) doi:10.3390/cryst13101478 |