Orthoclase

     
 two interpenetrating manebach twins of adularia
  
Manebach twin of adularia
  
 
 
 
  
 
  
 
  
Manebach twin of adularia
Origin: Giuv Glacier, Val Giuv, Switzerland
Sample size: 6.6 x 5 x 3 cm (top), 6 x 5 x 3.5 cm (2nd row), 3.3 x 3.1 x 2.3 cm (3rd row), 3.5 x 3.2 x 2.4 cm (4th row), 3.2 x 3.1 x 1.8 cm (5th/6th row), 5.2 x 3.6 x 2.5 cm (7th row), 5 x 4.1 x 1.7 cm (8th/bottom row)
 
  
  
Variety adularia
Origin: Val di Vizze, Alto Adige, Italy
Ex. Giorgio Spiga collection
Sample size: 4.5 x 3 x 2 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
Origin: Mt. Open Horn, Binntal, Wallis (Valais), Switzerland
Sample size: 8 x 4.5 x 4 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

Back to Page 1     Page 2     Page 4     Page 5     Page 6     Page 7     Page 8     Page 9     Page 10     Page 11     Page 12     Page 13     Page 14

Page 15     Page 16     Page 17     Page 18

Back to Alphabetical list Physical, chemical and crystallographic description Optical properties/Thin sections SEM images TEM images vibrational spectra description IR spectra Raman spectra N-IR spectra F-IR spectra IES spectra