Choudhary G. (2013) Greenish Blue Spodumene. Gems & Gemology, Vol. 49, No. 4, pp 258-259
Green and yellow colors of spodumene, in addition to the widely known violet-pink variety kunzite, are now familiar to the trade and often submitted to gem labs. Recently, this contributor examined a greenish blue specimen that unexpectedly turned out to be spodumene. The most striking feature of the specimen was its strong pleochroism, which displayed three colors: green, blue, and violet. Absorption spectra revealed the cause of colour to be Mn in various states.
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