Crystals & Stones

Natural deep-green pargasite crystal on marble from Ganesh, Hunza Valley, Pakistan; Rob Lavinsky, CC BY-SA 3.0 — Roosters Peacock crystal guide
Pargasite: The Stone of Grounded Strength, Adaptability & Deep Resolve
Pargasite is a calcium amphibole that commonly appears green, brown, or nearly black. Learn its mineral identity, naming history, care, and modern associations with grounded strength and adaptability. Read more...
Glaucophane specimen from USGS mineral collection; public domain — Roosters Peacock crystal guide
Glaucophane: The Stone of Adaptation, Perspective & Quiet Strength
Glaucophane is a blue-to-lavender sodium amphibole characteristic of high-pressure, low-temperature blueschist metamorphism in subduction settings; intact specimens should be kept dust-free and never ground or sanded. Explore its mineral science,... Read more...