Ametrine

Where it forms, where it's found

6recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 2 15.999 31.998
53.26%
14SiSilicon Silicon 1 28.085 28.085
46.74%
Total 60.083 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From Mindat formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
8OOxygen	Oxygen	2	15.999	31.998	53.26%
14SiSilicon	Silicon	1	28.085	28.085	46.74%
	Total	60.083	100.00%

Synonyms

Bolivianita
Bolivianite

Literature, links & citation

Citations

—122-134. [https://www.gia.edu/doc/Russian-Synthetic-Ametrine.pdf]
1986Balitsky, Vladimir S., Balitskaya, Olga V. (1986) The amethyst-citrine dichromatism in quartz and its origin. Physics and Chemistry of Minerals, 13 (6). 415-421 doi:10.1007/bf00309187DOI: 10.1007/bf00309187
1994Vasconcelos, Paulo M., Wenk, Hans-Rudolf, Rossman, George R. (1994) The Anahí Ametrine Mine, Bolivia. Gems & Gemology, 30 (1) 4-23 doi:10.5741/gems.30.1.4DOI: 10.5741/gems.30.1.4
1999Balitsky, Vladimir S., Lu, Taijin, Rossman, George R., Makhina, Irina B., Mar'in, Anatolii A., Shigley, James E., Elen, Shane, Dorogovin, Boris A. (1999) Russian Synthetic Ametrine. Gems & Gemology, 35 (2) 122-134 doi:10.5741/gems.35.2.122DOI: 10.5741/gems.35.2.122
2000Balitsky, V.S, Machina, I.B, Mar′in, A.A, Shigley, J.E, Rossman, G.R, Lu, T (2000) Industrial growth, morphology and some properties of bi-colored amethyst–citrine quartz (ametrine). Journal of Crystal Growth, 212 (1). 255-260 doi:10.1016/s0022-0248(99)00866-0DOI: 10.1016/s0022-0248(99)00866-0

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Ametrine — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/ametrine-7606},
  note      = {Accessed 2026-05-11}
}