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Magazine Articles:
Nephrite Jade from Washington State, USA, Including a New Variety Showing Optical Phenomena. © Gem-A, The Gemmological Association of Great Britian. This article is published in The Journal of Gemmology, [v 38(5), 2023, 494-511].
A New Occurrence of Rhodonite Associated with Nephrite Jade in Washington State, USA. © Gem-A, The Gemmological Association of Great Britain. This article is published in the Journal of Gemmology, [v38(5), 2023, 423-424].
