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Ooh, are we posting fluorescent rocks? I took a trip to South Dakota this spring to visit some friends and spent a bit of time rock hunting there. Despite several nighttime outings to places I saw mentioned as having UV reactive rocks, by far the best fluorescents came from the landscape rock in my friends yard. White light:  Longwave UV:  Shortwave UV:  We also went out to Buffalo Gap National Grassland and found some cool agates, several of which glow green. White light:  Shortwave UV: 
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Jun 27, 2023 19:17
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| # ¿ May 21, 2024 05:25 |
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