Crystals & Stones

Natural mahogany obsidian from Glass Buttes, Oregon, USA; James St. John, CC BY 2.0 — Roosters Peacock crystal guide
Mahogany Obsidian: The Stone of Grounding, Protection & Steady Transformation
Mahogany Obsidian is a reddish-brown and black variety of natural volcanic glass. Learn its geology, safe care and modern symbolism of grounding, protection and steady transformation. Read more...
Black obsidian specimen — Roosters Peacock crystal guide
Black Obsidian: The Stone of Grounding, Protection & Honest Reflection
Black Obsidian is a natural volcanic glass formed when silica-rich lava cools too quickly to crystallize, producing its characteristic glassy surface and sharp conchoidal fracture. Explore its geology, long history... Read more...
Apache Tear obsidian specimen — Roosters Peacock crystal guide
Apache Tear: The Stone of Grief, Grounding & Gentle Protection
Explore Apache Tear, a rounded variety of obsidian volcanic glass famous in the American Southwest. Learn its geology, cultural lore, modern metaphysical traditions, care, and uses. Read more...