Crystals & Stones

Natural malachite specimen; Arenamontanus, CC BY 2.0 — Roosters Peacock crystal guide
Malachite: The Stone of Transformation, Protection & Heart-Centered Growth
Malachite is a vivid green copper carbonate hydroxide known for banded and botryoidal forms. Learn its mineral facts, history, safe care and contemporary symbolism of transformation and protection. Read more...
Dioptase crystal specimen from the Republic of the Congo — Roosters Peacock crystal guide
Dioptase: The Stone of Emotional Honesty, Renewal & Deep Perspective
Dioptase is a vivid green hydrated copper silicate, CuSiO3·H2O, with Mohs hardness about 5 and a much softer, more fragile structure than Emerald despite the similar color. Explore its mineral... Read more...
Chrysocolla specimen from Australia; photo by Lloyd.james0615, CC BY 3.0 — Roosters Peacock crystal guide
Chrysocolla: The Stone of Communication, Calm & Wise Expression
Chrysocolla is a soft, hydrated copper aluminum silicate mineral with variable composition, typically forming blue-to-green botryoidal masses, crusts and vein fillings in oxidized copper deposits. Explore its mineral science, ancient... Read more...
Chalcopyrite specimen; photo by Lloyd.james0615, CC BY-SA 3.0 — Roosters Peacock crystal guide
Chalcopyrite: The Stone of Opportunity, Insight & Confident Action
Chalcopyrite is copper iron sulfide, CuFeS2, a brass-yellow tetragonal mineral and one of the world's most important copper ores, often developing colorful iridescent tarnish. Explore its mineral science, mining importance,... Read more...