About Brochantite
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.
Primary Hues
Emerald Green, Dark Green, Blackish-Green, often forms acicular (needle-like) crystals
Geological & Scientific Details
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.
Key Geological Properties:
- Mineral Category: Sulfate minerals
- Chemical Formula: Cu4SO4(OH)6
- IMA Symbol: Bct[1]
- Crystal System: Monoclinic
- Predominant Geological Color: Green, emerald green, or black
- Crystal Habit: Prismatic crystals; acicular needle-like crystals; druse
- Cleavage: Perfect [100]
- Luster: Vitreous to pearly
- Streak: Pale green
- Diaphaneity: Transparent to translucent
Associated Minerals
- Malachite
- Azurite
- Chrysocolla
- Atacamite
- Antlerite
- Tenorite