Phlogopite Mica information's

 

Phlogopite Properties and Uses

Discovery

Phlogopite was first described in 1865 by the German mineralogist F. Zirkel. The name comes from the Greek phlogopos, meaning "burnt appearance" in reference to its common brownish-red color.

Physical Properties

• Color: Brown, yellow-brown, greenish-brown
• Luster: Vitreous to pearly
• Transparency: Transparent to translucent
• Hardness: 2.5-3 on the Mohs scale
• Streak: White
• Fracture: Micaceous
• Cleavage: Perfect basal cleavage

Optical Properties

• Refractive Index: 1.569-1.639
• Birefringence: 0.070-0.080
• Pleochroism: Strong, yellow-brown to dark brown
• Dispersion: Weak
• Optical Character: Biaxial negative
• Optical Sign: Negative

Occurrence by Country

• Canada
• India
• Madagascar
• South Africa
• Tanzania

Healing Properties

• Relieves stress and anxiety
• Helps with insomnia
• Enhances physical and mental balance
• Boosts self-esteem and confidence
• Improves digestion and metabolism

Uses

• As an insulating material in electronic equipment and heating systems
• In the production of ceramics, paints, and rubber
• As a gemstone
• As a decorative stone in construction
• In alternative medicine and crystal healing