Sportara | Sports Clips on Instagram: "Most people see rocks as lifeless objects, but some minerals actually respond to pressure and heat in surprising ways. Certain lithium-rich minerals like lepidolite and spodumene can generate small electrical charges when they are squeezed, rubbed, fractured, or exposed to temperature changes. This happens because stress inside the crystal structure forces electrons to move, creating a measurable voltage. This effect is linked to piezoelectric and pyroelect

Gem Shepherd LLC | 🔮 TERRIFIC TOURMALINE — Shepherd’s Gem School, Episode 10 In this week’s class, we dove into one of tourmaline’s most fascinating... | Instagram