Cowlesite

Cowlesite (balls) with heulandite
Origin: Big Tree Creek, Yacolt, Clark Co., Washington, U.S.A.
Owner: Milton Speckels
Microscopic image, 5.6 x
 
Origin: Spray, Wheeler Co., Oregon, U.S.A.
Owner: Milton Speckels
Microscopic image, 5.6 x
 

Photo courtesy of: 

Milton Speckels

Photo-Atlas of Minerals

 

Origin: Monte Lake, BC, Canada
Sample size: 3-5 cm
 
  
Large "spheres" of cowlesite to 7 mm, snow white, very nice and sitting on fluorapaphyllite (?), basalt matrix.
Origin: Goble, Oregon, United States (type locality)
Ex. Eaton Collection
Sample size: 6x4x2cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Origin: Stones Quarry, Aranga, Northlands, North Island, New Zealand
Sample size: fov 3.5 mm (left), 3 mm (right)
Photo: Sue Ericksson
Sample owner: Sue and Phil Ericksson
 

Photo courtesy of: 

Theo Kloprogge

 

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