Manganotantalite

  
Manganotantalite with albite
Origin: Paprok, Kunar, Afghanistan
Sample size: 3.4 x 2.7 x 2 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
  
 
  
 
  
Origin: Alto do Giz pegmatite, Equador, Rio Grande do Norte, Brazil
Sample size: 6.1 x 4.3 x 2.3 cm (top/2nd row), 4.0 x 3.1 x 2.8 cm (3rd/4th row), 3.7 x 3.2 x 1.7 cm (5th/bottom row)
 
Origin: Alto Lighonha, Mozambique
Ex. Dick Jones collection
Sample size: 0.9 x 0.7 x 0.5 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
  
Origin: Alto do Giz pegmatite, Equador, Rio Grande do Norte, Brazil
Sample size: 3 x 3 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Back to Page 1     Page 2     Page 3

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