Crystals & Stones

Dendritic agate specimen from Brazil; photo by Mauro Cateb, CC BY-SA 4.0 — Roosters Peacock crystal guide
Dendritic Agate: The Stone of Growth, Patience & Natural Perspective
Dendritic Agate is chalcedony, primarily SiO2, containing branching manganese- and/or iron-oxide dendrites that resemble trees, ferns or landscapes but are not fossil plants. Explore its mineral science, pattern formation, modern... Read more...
Botswana Agate specimen; photo by James St. John, CC BY 2.0 — Roosters Peacock crystal guide
Botswana Agate: The Stone of Stability, Patience & Quiet Strength
Botswana Agate is a geographic variety of banded chalcedony from Botswana, prized for fine parallel bands in soft gray, pink, white, brown and cream tones. Explore its mineral science, locality... Read more...
Blue Lace Agate specimen — Roosters Peacock crystal guide
Blue Lace Agate: The Stone of Calm Communication & Gentle Clarity
Blue Lace Agate is a blue-and-white banded chalcedony variety composed primarily of silica, SiO2, with classic material known from southern Namibia. Explore its mineral science, variety history, modern symbolic associations... Read more...
Natural agate cross-section with concentric banding and a quartz-filled cavity
Agate: The Stone of Stability, Protection & Grounded Balance
Explore Agate — a naturally banded variety of chalcedony associated in modern crystal practice with stability, protection, grounded balance, confidence, and steady emotional support. Learn its mineral science, ancient use,... Read more...