Polarized light micrograph of a sample of ocean jasper by Bernardo Cesare. This volcanic 'ocean jasper' is found only in Madagascar and is highly prized among collectors. Here a thin section of rock ... more 
Polarized light micrograph of a sample of ocean jasper by Bernardo Cesare. This volcanic 'ocean jasper' is found only in Madagascar and is highly prized among collectors. Here a thin section of rock just 30 micrometres thick has been polished and polarized light shone through it. A second polarizing filter reveals these amazing colors. (BNPS/RPS/Bernardo Cesare) less 
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Yahoo News | Photo By BNPS/RPS/Bernardo Cesare
Wed, Sep 18, 2013 9:00 PM SAST