All I know about this sample is that it came from Kenya in 1996. I would suspect that meant that it was also an NSTA sample. It is one of my brightest samples, yielding a very high reflectance graph. The sample is also loaded with shells and urchin spines. Enjoy!

 

 

 

 

 

 

ZERO MAGNIFICATION IMAGE

REFLECTANCE SPECTRUM

 

  

1X MAGNIFICATION (RED LINE  = 1MM)

3X MAGNIFICATION (RED LINE  = 1MM)

 

  
   

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