April 2026

Short answer: obsidian is volcanic glass formed from rapidly cooled lava. Onyx is a type of chalcedony (microcrystalline quartz) formed slowly in volcanic gas cavities. They look similar from a distance but are completely different materials. Here’s what that actually means if you’re buying jewelry. What obsidian actually is Obsidian is volcanic glass. Literally. When […]

Short answer: real jade feels cool, sounds like a bell when tapped, and never looks perfectly uniform. Fake jade feels like plastic, sounds dull, and looks too good to be true. That’s the 30-second version. Here’s how to actually test it before you buy. Test 1: The temperature test Pick up the piece. Real jade