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Viridine

Viridine quartzite
Aldan Shield, Russia
Source: Thin section collection - Institut für Geologie, Mineralogie und Geophysik, Ruhr-Universität Bochum
Photos: MMR
Comments and references:
Sample donated by D.S. Korzhinskii to W. Schreyer
Literature: Kulish, E.A. (1961), Geol. Geofiz. Akad. Nauk SSSR Sibir. Otdel. 1, 53-65
 
  PPL

Elongate section ∥ a and c, a = X ∥ pol plane (A)
Elongate section ∥ a and c, c = Z ∥ pol plane (A)
Elongate section ∥ a and c, diagonal position (A)
Elongate section ∥ b and c, b = Y ∥ pol plane (B)
Elongate section ∥ b and c, c = Z ∥ pol plane (B)
Elongate section ∥ b and c, diagonal position (B)
 
 
  +Pol

Elongate section ∥ a and c, diagonal position (max Δn) (A)
Elongate section ∥ a and c, diagonal position, +1λ (A)
Elongate section ∥ b and c, diagonal position (B)
Elongate section ∥ b and c, diagonal position, +1λ (B)
 

  Additional images

  Image comments

   
Position shows colour relating to X (min absorption)
 

Width of view   Pol orientation
 
 1 mm
   
 W-E
     

Viridine
Images     Mineral data


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