Shigaite

  
Shigaite on barite
  
Shigaite on rhodochrosite
Origin: N'Chwaning II Mine, Kalahari Fields, South Africa
Sample size: 2.5 x 2.5 x 1.5 cm (top), 6 x 4 x 2 cm (bottom)
 
  
  
Shigaite and rhodochrosite on barite
Origin: N'Chwaning II Mine, Kalahari Fields, South Africa
Sample size: 4.5 x 4 x 3 cm

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: Wessels mine, Kalahari Mn Field, South Africa
Sample size: 5 x 5 x 3 cm
 
  
Light brown, clear crystals of shigaite to less than 0.1 mm on gypsum
Origin: N'Chwaning mines, Kalahari Mn Fields, Northern Cape Province, South Africa
Ex. DeVito Collection
Sample size: 2 x 1.5 cm x 3 mm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
This specimen is covered with salmon pink coloured crystals of rhodochrosite to 0.5 cm in length and it has scattered crystals of the rare mineral shigaite. Also present on this specimen is some minor gageite.
  
Shigaite on rhodochrosite, Ex. Keith Hayes coll.
Origin: NCwhaning II Mine, Kuruamn, Cape Province, South Africa
Sample size: 7.4 x 4.6 x 3.2 cm (top/2nd row), 2.3 x 1.9 x 1.2 cm (3rd/bottom row)
 
  
This specimen is covered with rose pink, scalenohedral crystals of rhodochrosite to 2 mm and has a solitary barite crystal that is 1 cm across. On it and elsewhere on the specimen are small 2-3 mm crystals of shigaite.
Origin: N'Chwaning I Mine, Kuruman, Cape Province, South Africa
Ex. John Schneider collection
Sample size: 4.5 x 3.3 x 2.4 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

Origin: Ioi Mine, Shiga Prefecture, Honshu Island, Japan
Sample size: 1.4 x 2.5 cm
 
Tiny greenish yellow shiagite crystals with red brown triploidite crystals in matrix
Origin: Iron Monarch open cut, Iron Knob, SA, Australia
Sample size: 2 x 3 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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