Effenbergerite

  
 
  
 
  
Ex. Devito Collection
Origin: Wessel's mine, Kalahari Mn Field, South Africa (type locality)
Sample size: 6 x 4 x 3 cm with deep blue platy crystals to 2 mm in sugilite matrix (top), 6 x 3 x 3 cm (2nd row), 3 x 3 cm x 4 mm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Effenbergite in pectolite
  
  
Origin: Wessels Mine, Kalahari, South Africa
Sample size: 3 x 1.6 x 0.8 cm (top), 6.5 x 4 x 2 cm (2nd/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Blue platy crystals on sugilite
Origin: Wessels Mine, Kuruman, Kalahari, RSA
Sample size: 1 x 2 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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