Zoisite from Arusha Region, Tanzania

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Tanzania
ⓘ ~~Arusha Region~~	[var. Tanzanite]
ⓘ Longido District	Gao, Yujie, He, Mingyue, Lucas, Andrew Christopher, Sun, Xueying, Zhou, Dan, Huang, Tiantian, Li, Kai, Fortaleché, Darwin, Lin, Moqing, Zhu, Yuan, Jin, Xiaoting (2024) Ruby from Longido, Tanzania: Mining, Color, Inclusion, and Chemical Features. Crystals, 14 (4) doi:10.3390/cryst14040383 www.excaliburmineral.com/mina-c.htm
ⓘ Mundarara Mine	Hintze, J. (2010) Safari ndjema - Afrikanisches Tagebuch (II): Rubin in Zoisit - ein Klassiker aus Longido in Tansania. Lapis, 35(12), 15-19 (in German). Simonet, Cedric (2000) Geology of Sapphire and Ruby Deposits -The example of the John Saul Ruby Mine, Mangare area, Southern Kenya. Ph.D. Thesis, University of Nantes. Gübelin, E. and Wolgensinger, M. (1976) Edelstenen. Uitgeverij Artis, Brussel (in Dutch).
Muriatata hills ⓘ Ruby occurrence	Jia, Zong-yong (2012) Mineral composition characters and prospect of Longido red corundum deposit in Tanzania. Guilin Ligong Daxue Xuebao 32, 173-178 (in Chinese). Hintze, J. (2010) Safari ndjema - Afrikanisches Tagebuch (II): Rubin in Zoisit - ein Klassiker aus Longido in Tansania. Lapis, 35(12), 15-19 (in German). Gübelin, E. and Wolgensinger, M. (1976) Edelstenen. Uitgeverij Artis, Brussel (in Dutch). Yang, Xiao-wen Zhang, Liang-ju