Ferro-axinite

  
Ferro-axinite on a matrix of albite and palygorskite
Origin: Melones Dam, Calavares County, California, U.S.A.
Ex. Dave Douglass collection
Sample size: 6.5 x 5 x 5 cm
 
  
  
  
Origin: Pouyva (Puiva) Mine, Polar Urals, Russia
Ex. Mark Wrigley collection
Sample size: 2.3 x 1.4 x 0.3 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 
  
 
  
  
Ex. Marty Lewadny collection
Origin: Bourg D'Oisans, France
Sample size: 4.4 x 3.7 x 3.3 cm (top/2nd row), 8.4 x 5.5 x 4.1 cm (3rd/4th/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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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