Ernstite

  
  
Fine sprays of ernstite with fine siderite crystals and white to yellow apatite
Origin: White Cap mine, Penniongton Co., South Dakota, USA
Sample size: about 2 cm, crystal sprays to 1 mm (top/2nd row), light brown, transparent, acicular crystals to 0.5 mm with strunzite(?) (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

     
Ernstite with eosphorite
Origin: Mendes Pimental, Minas Gerais, Brazil
Sample size: 5.5 x 2.5 x 1.8 cm
 
        
Ernstite pseudomorph after eosphorite
Origin: Linopolis, Minas Gerais, Brazil
Sample size: 5.0 x 1.7 x 1.4 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Yellow-brown radiating aggregates, with minor eosphorite in matrix
Origin: St. John's Quarry, Kapunda, South Australia, Australia
Sample size: 2 x 2 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Ernstite pseudomorph after eosphorite
Origin: Linópolis, Divino das Laranjeiras, Minas Gerais, Southeast Region, Brazil
Ex. Scott Williams collection
Sample size: 5.2 x 2.3 x 4.7 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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