Amethyst

  
  
A group (2 x 1.5 cm) of parallel grown undamaged, doubly terminated, sceptered and hoppered crystals, perched on a green basalt matrix together with hemispheric blue chalcedony .
Origin: Osilo, North Sardinia, Italy
Ex. Giorgio Spiga collection
Sample size: 5.5 x 4.5 x 3.5 cm
 
  
  
  
Combination of yellow fluorite on lilac amethyst with hematite inclusions (red).
Origin: Ontario Gem Mine, near Thunder Bay, Ontario, Canada
Ex. Keith Hayes collection
Sample size: 16.7 x 9.5 x 8.0 cm
 
  
Long, amethystine crystal on matrix with two smaller crystals.
Origin: Cerro de la Concordia, Piedra Parado, Vera Cruz, Mexico
Ex. Dave Douglass collection
Sample size: 7.5 x 6 x 5 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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