Hörnesite

Creamy white flaky on matrix
Origin: Mossgruvan, Nordmark, Värmland, Sweden
Sample size: 3.5 x 4 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Snow white powdery crystal aggregates to 1 mm on slag.
Origin: Salsigne, Aude, France
Ex. Kidwell collection
Sample size: 5.5 x 3.5 x 2.5 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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