#renfro — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #renfro, aggregated by home.social.
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https://www.wacoca.com/media/648047/ Book Review: Gem Testing Techniques #book #books #gem #gemology #Gems&Gemology #GG #Hobby #Hodgkinson #lighting #optics #pleochroism #practical #RefractiveIndex #refractometer #Renfro #review #testing #ultraviolet #書籍
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https://www.wacoca.com/media/648047/ Book Review: Gem Testing Techniques #book #books #gem #gemology #Gems&Gemology #GG #Hobby #Hodgkinson #lighting #optics #pleochroism #practical #RefractiveIndex #refractometer #Renfro #review #testing #ultraviolet #書籍
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https://www.wacoca.com/media/648047/ Book Review: Gem Testing Techniques #book #books #gem #gemology #Gems&Gemology #GG #Hobby #Hodgkinson #lighting #optics #pleochroism #practical #RefractiveIndex #refractometer #Renfro #review #testing #ultraviolet #書籍
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by William Renfro