Mimetite

  
This specimen of calcite has abundant blebs of conichalcite and sprays of lemon yellow mimetite to 1.1 cm across.
  
  
Mimetite on galena
  
  
This specimen is actually mostly comprised of massive mimetite. One surface is covered with pistachio green duftite upon which are found abundant creamy white crystals of mimetite and twinned crystals of cerussite. The largest cerussite is just over 1 cm across.
Origin: Tsumeb Mine, Tsumeb, Namibia, Africa
Sample size: 4.1 x 3.3 x 2.2 cm (top/2nd row), 5.6 x 3.6 x 2.7 cm (3rd/4th/5th row), 9.7 x 6.2 x 4.1 cm (6th/bottom row)
 
  
  
  
Mimetite with wulfenite
Origin: Oujela Mine - Level 7, Mapimi, Durango, Mexico
Sample size: 7.2 x 4.5 x 3.4 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
Mimetite with minor wulfenite
Origin: Tsumeb mine, Tsumeb, Namibia
Sample size: 6.5 x 4.5 x 3 cm
 
  
  
Fiery red to orange mimetite as blebs or tiny botryoids to 1 mm occuring with good coverage across a light blue chrysocolla film over matrix. There is associated, small, 1-2 mm wulfenite crystals with the mimetite but is sparse.
Origin: Mina Adelia, Chanral Province, Atacama, Chile
Sample size: 17 x 11 x 4 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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