is a deep-blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color

Dimensions: 120

Mimetite crystals from the Mount Bonnie Mine in the Northern Territory of Australia are known for their lustrous

This is a nice 45

Stibnite Crystal Spray | Shiny Metallic Mineral | 1.49 Gr | Xikuangshan Mine, China | SO24 Alexandrite is a deep-blue metamorphic rockThis is an attractive tiny spray of metallic stibnite crystals 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 crystal sitting on your shelf