Triplite Mineral Information

 

Triplite Mineral

• 
  

  
  

  Triplite is a rare phosphate mineral that is found in granite pegmatites and high-temperature hydrothermal veins. It has the chemical formula (Mn,Fe)2(PO4)(F,OH).

  Properties of Triplite

  • Chemical Formula: (Mn,Fe)2(PO4)(F,OH)
  • Color: Brownish yellow, reddish brown, grayish green, rarely colorless
  • Crystal System: Monoclinic
  • Crystal Habits: Prismatic to tabular crystals, massive, granular
  • Hardness: 5 - 5.5
  • Luster: Sub-Vitreous, resinous, greasy
  • Streak: Light brown
  • Cleavage: Distinct/Good on {100}
  • Fracture: Conchoidal
  • Density: 3.48 - 3.61 g/cm3
  • Optical Properties: Biaxial (-), 2V = 57°

  Occurrences of Triplite

  Triplite is found in the following locations:

  • Brazil
  • Canada
  • Finland
  • Germany
  • Madagascar
  • Myanmar (Burma)
  • Namibia
  • Nigeria
  • Portugal
  • Russia
  • Spain
  • Sri Lanka (Ceylon)
  • Sweden
  • United States