Mineral description : Palygorskite

Mineral class Silicates : Phyllo silicates : Serpentine talc pyrophyllite group
Chemical formula (Mg,Al)2(OH)(Si4O10).4H2O
Crystal system Monoclinic
Habitus In fibric or leather looking masses and surfaces.
Cleavage  
Hardness 2 - 2.5
Density 2.2
Color Yellowish, light brown to pure white.
Streak  
Luster  
Description  
Occurance  
Associates  
Notes Type locality : Palygorsk, Perm mining distr., Ural Mts, Russia, USSR.
Locations
  • Garpenberg, Dalarna. As white fibric fabriclike masses in mullmalm.
  • Gåsgruvan, Persberg, Värmland. As light brownish white fracture fillings in calcite.

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Last changed : 2000-06-04