Crystals & Stones

Polished natural Pietersite stone showing chatoyant blue, gold, and brown patterning; Maimaid, CC BY-SA 4.0 — Roosters Peacock crystal guide
Pietersite: The Stone of Courage, Perspective & Dynamic Change
Pietersite is a trade name for a brecciated, chatoyant quartz-rich gem material best known from Namibia and China. Learn what it actually is, how its swirling sheen forms, care, and... Read more...
Ocean Jasper from Madagascar on display at the Musée de Minéralogie in Paris; Animalculum, CC BY 4.0 — Roosters Peacock crystal guide
Ocean Jasper: The Stone of Emotional Balance, Patience & Cyclical Renewal
Ocean Jasper is a Madagascar trade material composed largely of spherulitic chalcedony. Explore its geology, history, care, and modern metaphysical associations with patience, emotional balance, and renewal. Read more...
Natural moss agate chalcedony with mineral inclusions; James St. John, CC BY 2.0 — Roosters Peacock crystal guide
Moss Agate: The Stone of Growth, Patience & Nature Connection
Moss Agate is a variety of chalcedony whose green, brown or black mineral inclusions create moss-like patterns—without containing actual moss. Explore its geology, care and modern symbolism of growth and... Read more...
Natural red jasper specimen; photograph by Doronenko, CC BY 3.0 — representative jasper specimen for Roosters Peacock crystal guide
Jasper: The Stone of Grounding, Endurance & Earthy Strength
Jasper is an opaque, fine-grained silica-rich gem material known for earthy colors and patterns. Explore its geology, history, modern symbolism, and care. Read more...
Agatized fossil coral from Florida; photo by Wilson44691, CC0 — Roosters Peacock crystal guide
Fossil Coral: The Stone of Continuity, Ancestry & Enduring Patterns
Metaphysical PropertiesFossil Coral is associated in modern crystal traditions with continuity, ancestry, patience, community, and recognizing patterns that persist through change. These are contemporary metaphysical associations rather than scientifically established... Read more...
Flower Agate chalcedony specimen with plume-like floral patterns — Roosters Peacock crystal guide
Flower Agate: The Stone of Growth, Patience & Blooming Potential
Metaphysical PropertiesFlower Agate is associated in modern crystal traditions with growth, patience, creativity, new beginnings, and allowing potential to develop gradually. These are contemporary metaphysical associations rather than scientifically established... Read more...
Gem silica, chalcedony over chrysocolla from Arizona; photo by Robert M. Lavinsky, CC BY-SA 3.0 — Roosters Peacock crystal guide
Gem Silica: The Stone of Clear Expression, Calm & Creative Insight
Gem Silica is a gem trade name for translucent blue-to-blue-green chalcedony colored by Chrysocolla rather than a separate mineral species. Explore its mineral science, trade-name and identification caveats, modern symbolic... Read more...
Natural fire agate rough specimen from New Mexico; photo by Malinadams, CC BY-SA 3.0 — Roosters Peacock crystal guide
Fire Agate: The Stone of Vitality, Courage & Creative Spark
Fire Agate is an iridescent chalcedony variety, primarily SiO2, whose warm flashes are produced by extremely thin iron-rich layers and thin-film interference within the stone. Explore its mineral science, optical-effect... Read more...
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...
Chrysoprase specimen from Australia; photo by Jarno, CC BY 2.0 — Roosters Peacock crystal guide
Chrysoprase: The Stone of Renewal, Confidence & Heart-Centered Growth
Chrysoprase is an apple-green chalcedony variety whose color comes from nickel-bearing silicate inclusions rather than chromium. Explore its mineral science, name history, modern symbolic associations with renewal, confidence and heart-centered... Read more...
Natural chalcedony specimen; photo by Teravolt, CC BY 3.0 — Roosters Peacock crystal guide
Chalcedony: The Stone of Balance, Communication & Quiet Strength
Chalcedony is a microcrystalline silica material composed mainly of quartz with variable moganite and includes familiar varieties such as Agate, Onyx, Carnelian, Chrysoprase and Bloodstone. Explore its mineral science, ancient... Read more...
Natural carnelian specimen from New Jersey — Roosters Peacock crystal guide
Carnelian: The Stone of Courage, Creativity & Forward Motion
Carnelian is an orange-to-red variety of chalcedony colored by iron-bearing compounds and iron oxides, with a long history in beads, seals and carved stones. Explore its mineral science, treatment notes,... Read more...