Holfertite

  
 
  
Micro prismatic yellow crystal to about 0.75 mm on topaz. New mineral IMA 2003-009.
  
Yellow orange acicular crystals to about 0.75 mm along side a hematite plate.
Origin: Starvation Canyon, Topaz Valley, Juab Co., Utah, United States
Sample size: 3 x 2 x 1 cm (top), 3 x 2 x 1 cm (2nd row), 5 x 4 x 3.5 cm (3rd/bottom row)
 
  
  
Opaque yellow needle-like crystal to 1 mm with hematite
Origin: Searless Canyon, Thomas Range, Juab Co., Utah, United States (type locality)
Sample size: 2 x 2 x 1 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Yellowbrown crystal on quartz with topaz and hematite
Origin: Uranium Claim, Thomas Range, Juab Co., Utah, USA
Sample size: micromount
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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