Manganotantalite

  
 
Manganotantalite on muscovite
Origin: Darre Pech, Kunar Province, Afghanistan
Sample size: 7 x 5 x 4 cm
 
  
Origin: Ecuador, Minas Gerais, Brazil
Sample size: 7.5 x 4 x 2.5 cm, WEIGHT = 277 grams
 
Origin: Alto das Furnas, Equador, Rio Grande do Norte, Brazil
Sample size: 1.7 x 1.4 x 1.2 cm
 
  
Origin: Kokotohai Mine, Xinjiang, China
Sample size: 6.5 x 3.1 x 3 cm
 
  
  
Origin: Drot, Gilgit-Skardu Road, Northern Areas, Pakistan
Sample size: 6.2 x 4.6 x 4.5 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Origin: Harvard quarry, Greenwood, Oxford Co., Maine, U.S.A.
Owner: Lou Perloff
Microscopic image
 
Manganotantalite in muscovite
Origin: Newry, Oxford Co., Maine, U.S.A.
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

     
Origin: Stak Nala, Gilgit, Pakistan
Sample size: 1.5 x 1 x 0.8 cm
 
Origin: Santa Maria, Alto Ligonhe, Mozambique
Sample size: 1.1 x 0.8 x 0.6 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
  
Origin: Paprock, Kunar, Afghanistan, Pakistan
Sample size: 3.5 x 2.9 x 1.7cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

Back to Page 1     Page 3     Page 4

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