🌸 -10% discount as a welcome offer from 50€ of purchase (cumulative with promotions) + discounts offered to professionals and for group purchases, contact us to find out more!
✨ Colors/ Clarity: Glossy black gray / Opaque or transparent depending on the thickness
🔬 Treatment: None
📜 Certificate: From Gem & Zen
🎁 Comes with a presentation box with certificate, ideal for giving as a gift or treating yourself!
👉 Black mica is widely used in geology as an indicator of the composition of metamorphic and igneous rocks. Its name “Biotite” honors the French physicist Jean-Baptiste Biot.
📋 Mineralogical sheet:
Category
Details
🔹 Name
Black mica – Biotite
🌍 Origin
Widespread throughout the world: Brazil, India, Russia, Canada, Madagascar, France, etc.
⚛️ Composition
Iron, magnesium and potassium complex aluminosilicate – (K(Mg,Fe)₃(AlSi₃O₁₀)(OH)₂)
📐 Crystal system
Monoclinic
💎 Family
Silicates – mica group
⚖️ Hardness (Mohs)
2.5 to 3
🎨 Colors
Black, very dark brown, sometimes with metallic or golden highlights
✨ Appearance
Thin, shiny, exfoliable sheets; vitreous to pearly luster
🧘 Virtues & Benefits
- Energy protection and anchoring stone - Dispels negative energies and dissolves fears - Promotes lucidity and understanding of complex situations - Encourages introspection and mental clarity - Helps keep one's feet on the ground during spiritual practices
When you shop at Gem & Zen, part of your money goes to Nepal's artisans from the 'Help in Action' association. We value sustainable and responsible entrepreneurship, which we express, among other things, by making our business processes more sustainable. We therefore donate a percentage of our annual profits to charitable organizations.
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