These are fun! Firefly Quartz (petroleum inclusion) from Madagascar displayed under UV light. Picked up a few of these. They'll make nice pendants.
Locality: Madirobe, Tsaratanama, Mahajanga, Madagascar. #rarecrystals #uvminerals #petroleumquartz #fireflyquartz #nature #ThanksLoveArt

Firefly Quartz crystal with green laser illumination. @thediscobiscuits.bsky.social playing in the background. #FireflyQuartz #prettythings #cooltunes #lightshow