A copper sulfate hydroxide, forming emerald green acicular crystals or drusy crusts. It's a stone of vitality and protection, believed to energize all chakras and promote harmony.
Emerald Green, Dark Green, Blackish-Green, often forms acicular (needle-like) crystals
Brochantite is classified as a sulfate minerals mineral which typically crystallizes in the monoclinic system. Its chemical formula is Cu4SO4(OH)6. Common crystal habits include prismatic crystals; acicular needle-like crystals; druse.