Ulexite

Ulexite after borax, about 10 cm across
About 5 cm across
Origin: U.S. Borax Open Pit, Boron, Kern Co., California
Owner: Milton Speckels
Sample size: ?
 
Origin: Hardscramble mine, Death Valley, Inyo Co., California, U.S.A.
Owner: Milton Speckels
Microscopic image, 3.6 x

Photo courtesy of: 

Milton Speckels

Photo-Atlas of Minerals

 

     
Ulexite pseudomorph after tincalconite after boracite
Origin: Boron Open Pit Mine, Boron, Kern County, California, U.S.A.
Sample size: 4.75 x 3.5 x 2.5 cm
 
 

 
 
  
 
  
Ulexite with golden translucent calcite
Origin: Boron, Kern Co., California, U.S.A.
Ex. Marty Zinn collection
Sample size: 5.3 x 3.7 x 1.5 cm (top), 15 x 4 x 2.75 cm (2nd row), 4.3 x 3.1 x 1.9 cm (3rd row), 7 x 5 x 4.8 cm (4th row), 6.9 x 5 x 3.1 cm (bottom)
 
  
  
Origin: Boron, Kern Co., California, U.S.A.
Sample size: 8.5 x 6.8 x 3.9 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Origin: Boron Pit, US Borax Mine, Boron, Kramer District, Kern Co., California, U.S.A.
Sample size: 9.4 x 6.6 x 4.3 cm
 
  
Origin: Boron, California, U.S.A.
Ex. Don Belsher collection
Sample size: 9.7 x 7.5 x 5.5 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

Page 2

Back to Alphabetical list Physical, chemical and crystallographic description Optical properties/Thin sections SEM images TEM images vibrational spectra description IR spectra Raman spectra N-IR spectra F-IR spectra IES spectra