hexagonite crystals

This is a beautifully formed green beryl emerald from Bahia

Color: Dark Neon Green

Color: Golden

The color variations are often due to the presence of impurities or trace elements during the crystal's formation

Stibnite Crystal Spray | Shiny Metallic Mineral | 271 Gr | Xikuangshan Mine, China L5-6 hexagonite crystalsThis is an attractive shiny spray of metallic stibnite crystals. This outstanding specimen came from the Xikuangshan mine of China. Stibnite is a lead gray mineral occurring as striated prismatic crystals, that are made up of antimony sulfide and is the main ore of antimony. It often forms groups of long, shiny metallic crystals radiating out at different angles. NOTE: Stibnite (antimony) is toxic and can be harmful if inhaled or swallowed. While a