Rainbow obsidian – Displays stunning brilliant iridescent multi-colored banding and often a distinctive frosted metallic sheen. Extremely rare and highly desirable, commanding $200 to $500+ (≈4.2 days ...

Escobedo worked with stone artist Juan Fraga to create the vessels, which stack one within the other. Each is handcrafted from rainbow obsidian, a rare natural glass-like volcanic rock formed by ...