Crystals & Stones

Grossular garnet specimen from Coahuila, Mexico; photo by Robert M. Lavinsky, CC BY-SA 3.0 — Roosters Peacock crystal guide
Grossular Garnet: The Stone of Growth, Confidence & Grounded Renewal
Grossular Garnet is a calcium-aluminum garnet species, Ca₃Al₂(SiO₄)₃, that occurs in green, yellow, orange and other colors and includes varieties such as Tsavorite and Hessonite. Explore its mineral science, history,... Read more...
Green fluorite crystals from Berta Mine, Spain; photo by Géry Parent, CC BY-SA 3.0 — Roosters Peacock crystal guide
Green Fluorite: The Stone of Focus, Growth & Clear Organization
Green Fluorite is a green variety of calcium fluoride, CaF₂, known for cubic and octahedral forms, Mohs hardness 4 and perfect cleavage. Explore its mineral science, modern symbolic associations with... Read more...
Green calcite specimen from Mexico; public domain via Wikimedia Commons — Roosters Peacock crystal guide
Green Calcite: The Stone of Renewal, Balance & Gentle Growth
Green Calcite is a green variety of calcium carbonate, CaCO₃, known for Mohs hardness 3 and perfect rhombohedral cleavage. Explore its mineral science, modern symbolic associations with renewal, balance and... Read more...
Green aventurine specimen; CC0 via Wikimedia Commons — Roosters Peacock crystal guide
Green Aventurine: The Stone of Growth, Opportunity & Steady Confidence
Green Aventurine is a fuchsite-bearing quartzite known for its green color and aventurescent sparkle. Explore its mineral science, treatment notes, modern symbolic associations with growth, opportunity and steady confidence, care,... Read more...
Goshenite crystal from Sichuan, China; photo by Géry Parent, CC BY-SA 3.0 — Roosters Peacock crystal guide
Goshenite: The Stone of Clarity, Simplicity & Open Perspective
Goshenite is the colorless variety of Beryl, Be3Al2(Si6O18), a hexagonal mineral with Mohs hardness 7.5–8 whose name comes from Goshen, Massachusetts. Explore its mineral science, variety history, modern symbolic associations... Read more...
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...
Native gold on quartz from California; photo by James St. John, CC BY 2.0 — Roosters Peacock crystal guide
Gold: The Stone of Value, Confidence & Enduring Purpose
Native Gold is elemental Au, a soft, exceptionally dense and highly malleable isometric mineral whose resistance to corrosion helped make it important in trade, jewelry, religion and art. Explore its... Read more...
Goethite with calcite crystals; CC0 via Wikimedia Commons — Roosters Peacock crystal guide
Goethite: The Stone of Grounding, Persistence & Honest Reflection
Goethite is iron oxyhydroxide, FeO(OH), an orthorhombic mineral common in soils, iron ores and weathering zones, occurring as earthy, fibrous, botryoidal or crystalline material. Explore its mineral science, name history,... 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...
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...
Gaspeite specimen from Western Australia; photo by Robert M. Lavinsky, CC BY-SA 3.0 — Roosters Peacock crystal guide
Gaspeite: The Stone of Growth, Discernment & Grounded Renewal
Gaspeite is nickel carbonate, NiCO3, a yellowish-green trigonal Calcite-group mineral found in nickel-rich deposits and sometimes used for cabochons and inlay; because it contains nickel, avoid creating dust. Explore its... Read more...
Galena mineral specimen; photo by GOKLuLe, CC BY-SA 3.0 — Roosters Peacock crystal guide
Galena: The Stone of Grounding, Structure & Honest Reflection
Galena is lead sulfide, PbS, a dense isometric mineral known for metallic lead-gray cubes, perfect cubic cleavage and its historic importance as the principal ore of lead; careful handling is... Read more...