All I know about this  sample is that it came from Costa Rica. This came from a teacher at my old school. A student gave it to her. The only information was that "it came from a beach." This won the prize for being my blackest sample. The reflectance spectrum graph really shows that!

 

 

 

 

 

 

 

 

ZERO MAGNIFICATION IMAGE

REFLECTANCE SPECTRUM

 

 

1X MAGNIFICATION (RED LINE  = 1MM)

3X MAGNIFICATION (RED LINE  = 1MM)

 

 

Return to Mystery Sand

Return to Home