1. AMCSD, 2011. American Mineralogist crystal structure database by Downs et al. (1993) via. .
2. ASTM, 1963. Index (inorganic) to the powder diffraction file; ASTM special tech. Pub. 48-M2, Am. Soc. for Test. and Mater, Philadelphia. pp. 244.
3. Color Encyclopaedia of Gemstones;Arem,1987
4. Fleischer’s Glossary of Mineral Species;Back,2008
5. Australian chrysoprase with dendritic inclusions;Befi;Gems & Gemology,2009