Crystals & Stones

Iron-stained quartz with limonite coating; photo by Tiia Monto via Wikimedia Commons — Roosters Peacock crystal guide
Golden Healer Quartz: The Stone of Renewal, Clarity & Grounded Light
Golden Healer Quartz is a trade name for Quartz, SiO2, colored by natural iron-rich staining or coatings rather than a separate mineral species. Explore its mineral science, iron-staining and identification... 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...
Elestial-style skeletal quartz specimen from Brazil — Roosters Peacock crystal guide
Elestial Quartz: The Stone of Reflection, Integration & Layered Insight
Elestial Quartz is a trade name for Quartz, SiO2, with complex skeletal, stepped or layered crystal growth rather than a separate mineral species. Explore its mineral science, trade-name caveats, modern... Read more...
Dumortierite-included quartz from Brazil; photo by James St. John — Roosters Peacock crystal guide
Dumortierite Quartz: The Stone of Focus, Insight & Structured Intention
Dumortierite Quartz is Quartz, SiO2, containing visible Dumortierite inclusions rather than a separate mineral species; striking blue needle and spray inclusions are especially known from Brazil. Explore its mineral science,... Read more...
Natural citrine quartz specimen; public-domain photo by Géry Parent — Roosters Peacock crystal guide
Citrine: The Stone of Confidence, Abundance & Clear Motivation
Citrine is the yellow-to-brownish-orange variety of Quartz, SiO2, with natural material relatively rare and much of the modern market consisting of heat-treated Amethyst. Explore its mineral science, treatment history, modern... 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 Ametrine quartz specimen — Roosters Peacock crystal guide
Ametrine: The Stone of Balance, Integration & Clear Direction
Explore Ametrine, the naturally bicolored quartz variety combining amethyst and citrine zones. Learn its mineral science, Bolivian source history, modern metaphysical traditions, care, and ways to work with it. Read more...
Amethyst quartz crystal cluster — Roosters Peacock crystal guide
Amethyst: The Stone of Spiritual Wisdom & Inner Peace
Discover the ancient wisdom of Amethyst — the violet stone of spiritual protection, intuition, calm, and dream work. Learn how to use, cleanse, and charge this powerful crystal, plus shop... Read more...