Crystals & Stones

Natural petalite crystal from Paprok, Nuristan, Afghanistan; Rob Lavinsky, CC BY-SA 3.0 — Roosters Peacock crystal guide
Petalite: The Stone of Clarity, Release & Light Perspective
Petalite is a lithium aluminum silicate with perfect basal cleavage and a Mohs hardness of about 6.5. Explore its mineral identity, history, care, and modern associations with clarity and release. Read more...
Eucryptite specimen from Finland; photo by Jyrki Autio, public domain — Roosters Peacock crystal guide
Eucryptite: The Stone of Hidden Strength, Simplicity & Quiet Focus
Eucryptite is lithium aluminum silicate, LiAlSiO4, a trigonal Phenakite-group mineral commonly found in lithium-rich pegmatites and often difficult to distinguish visually from pale Quartz or feldspar. Explore its mineral science,... Read more...
Amblygonite mineral specimen — Roosters Peacock crystal guide
Amblygonite: The Stone of Clarity, Release & Inner Peace
Explore Amblygonite, a lithium aluminum phosphate fluoride mineral from granitic pegmatites. Learn its chemistry, blunt-angle name origin, gem varieties, modern metaphysical traditions, care, and uses. Read more...