Trapiche ruby

Al2O3
Also known as
  • Trapiche-Rubin
Variety of
Ruby
RubyAl2O3

Where it forms, where it's found

2recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
13AlAluminiumAluminium226.98253.964
52.93%
8OOxygenOxygen315.99947.997
47.07%
Total101.961100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

Synonyms

  • Trapiche-Rubin

Literature, links & citation

Citations
  1. 1999Schmetzer, Karl, Beili, Zhang, Yan, Gao, Bernhardt, Heinz-Jürgen, Hänni, Henry A. (1999) Element mapping of trapiche rubies. The Journal of Gemmology, 26 (5) 289-301 doi:10.15506/jog.1999.26.5.289DOI: 10.15506/jog.1999.26.5.289
  2. 2018Giuliani, G., Dubessy, J., Pignatelli, I., Schwarz, D. (2018): Fluid inclusions study of trapiche and non-trapiche rubies from the Mong Hsu deposit, Myanmar. Canadian Mineralogist 56, 691-703.
  3. 2020Pignatelli, Isabella, Morlot, Christophe, Cathelineau, Michel, Giuliani, Gaston, Liu, Shang I Edward (2020) Flower-Shaped Trapiche Ruby from Mong Hsu, Myanmar: A Revised Growth Mechanism. The Journal of Gemmology, 37 (4) 404-415 doi:10.15506/jog.2020.37.4.404DOI: 10.15506/jog.2020.37.4.404
  4. 2020Giuliani, Gaston, Groat, Lee, Fallick, Anthony, Pignatelli, Isabella, Pardieu, Vincent (2020) Ruby Deposits: A Review and Geological Classification. Minerals, 10 (7) 597 doi:10.3390/min10070597DOI: 10.3390/min10070597
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Trapiche ruby — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/trapiche-ruby-43441},
  note      = {Accessed 2026-05-11}
}