A photograph of gemstone expert George Frederick Kunz (1856-1932) examining an exceptionally fine crystal of lilac colored gem spodumene (kunzite) from the Pala Chief mine, Pala, San Diego County California, USA. From the monthly Mineral Collector magazine, Vol. X, No.8, October, 1903, pp. 113–114. Published by the Mineral Collector Company, 58 Pearl St., New York.
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