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Aegirine - Aegirine-augite

Pophyritic selbergite
Hardt near Rieden, East Eifel volcanic field, Rhineland-Palatinate, Germany
Source: Thin section collection M.M. Raith
Photos: MMR
Comments and references:
 
  PPL

(A) Section ∥ a and b, a and Z ∥ pol plane
(A) Section ∥ a and b, b = Y ∥ pol plane
(A) Section ∥ a and b, diagonal position
(B) Section ∥ a and b, a and Z ∥ pol plane
(B) Section ∥ a and b, b = Y ∥ pol plane
(B) Section ∥ a and b, diagonal position
(C) Section ∥ c, b = Y ∥ pol plane
(C) Section ∥ c, X ∥ pol plane
(C) Section ∥ c; X and Y in diagonal position
(D) Variable crystal orientations
(D) Variable crystal orientations; 90° rotation from previous position
 
 
  +Pol

(A) Section ∥ a and b, diagonal position
(B) Section ∥ a and b, diagonal position
(C) Section ∥ c; X and Y in diagonal position
(D) Variable crystal orientations
 

  Additional images

  Image comments

   
 

Width of view   Pol orientation
 
 1 mm
   
 W-E
     

Aegirine - Aegirine-augite
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