Calcite with Chalcopyrite - near Chenzhou, Hunan, China 💎sold 💎 Bright bursts of iridescent chalcopyrite form in the center of thin wafers of calcite, like psychedelic frogs on lily pads. On a crystalline level, the specific formation of calcite attracted chalcopyrite molecules to their centers, forming these crazy pebble-looking nugget things... though some of the chalcopyrite clusters are found nestled in crevices as well. The concept of attraction to crystal edges/centers is similar to the

Have a bunch of little calcite filled geodes so I decided to remove the calcite from some and see how they look. #muriaticacid #calcite #dissolvingcalcite #geodes #crystals #expirement | RockHunter Mark

We’ve been holding onto these glowing fluorescent geodes for a top secret project with another museum 👀 (we can’t say who just yet… but let’s just say we’re very excited!). So what makes these geodes glow? Some minerals, like calcite, react under UV or fluorescent light, giving off a bright green or even pink glow! It’s completely natural and seriously cool to see in person. Stay tuned… we’ll reveal more soon 👇 #crystalcavesatherton #glowup #fluorescentminerals #secretproject #museumcollab #ge

Found a calcite in each! #geodes #calcite #crackinggeodes #fabulouskeokukgeodes | RockHunter Mark