• About the product:

  🪨 Mineral Type: Black Tourmaline

  🌍 ⛏️ Origin: Madagascar

  📐 Dimensions: 110 millimeters long x 74 wide x 69 high

  ⚖️ Weight : 330 grams

  ✨ Finish: natural

🔬 Treatment: None

📜 Certificate: Gem and Zen

🎁 Ideal for giving as a gift or treating yourself!

• 📋 Mineralogical sheet:

• Property	Details
  Name	Black tourmaline ( Schorl )
  Composition	Complex borosilicate of aluminum, iron and sodium
  Color	Deep black, sometimes with brownish or bluish reflections
  Hardness (Mohs)	7 – 7.5
  Density	3.0 – 3.3 g/cm³
  Crystal system	Hexagonal (trigonal)
  Glow	Vitreous to resinous
  Transparency	Opaque (rarely translucent on thin edges)
  Origin / Deposits	Brazil, Madagascar, Africa, Pakistan, Russia, United States
  Training	Metamorphic and granitic rocks, boron-rich pegmatites
  Special feature	Known as a powerful protection stone; striated prismatic crystals
  Virtues / Lithotherapy	- Protection against negative energies 🛡️ - Anchoring and stability - Promotes confidence and relieves stress
  Purification	Clear water, fumigation, indirect salt
  Recharging	Soft sunlight, moon, quartz clusters
  Use	Jewelry, personal protection stone, meditation, collection
  Value	Depends on size, crystal shape and brilliance
  Short story / Anecdote	Used for centuries as a protective talisman, its name "Schorl" comes from a village in Germany where it was mined in the Middle Ages.