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Wednesday, December 27, 2023

Sphene (Titanate), Physical, Optical Properties and uses

 

Sphene (Titanate)

Sphene, also known as titanite, is a calcium titanium nesosilicate mineral with the chemical formula CaTiSiO5. It was first discovered in 1795 by a German geologist, Abraham Gottlob Werner. Sphene is a rare mineral that is prized for its unique properties and is often used in jewelry-making.

Physical Properties

  • Color: yellow, brown, green, black
  • Crystal System: monoclinic
  • Hardness: 5-5.5
  • Luster: adamantine, greasy, resinous
  • Streak: white
  • Specific Gravity: 3.4-3.6
  • Cleavage: perfect in one direction, imperfect in another
  • Fracture: conchoidal, brittle
  • Tenacity: brittle

Optical Properties

  • Refractive Index: 1.885-1.990
  • Birefringence: 0.105-0.135
  • Dispersion: 0.051
  • Pleochroism: weak

Occurrence

Sphene is found in a number of countries, including:

  • Brazil
  • Canada
  • India
  • Madagascar
  • Norway
  • Russia
  • Switzerland
  • United States
  • Pakistan 

Healing Properties

Sphene is said to have a number of healing properties, including:

  • Helping to alleviate stress and anxiety
  • Encouraging mental clarity and focus
  • Boosting the immune system
  • Assisting with digestion
  • Relieving headaches and migraines

Uses

Sphene is used in a number of applications, including:

  • Jewelry-making
  • As a source of titanium dioxide in the manufacture of paint, plastic, and paper
  • As a gemstone

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