The Pioneering Science Behind Pourrioscope
Mapping olivine(Mg, Fe)2SiO4 crystal taken from 16 lb stony nickel iron meteorite after etching with ferric chloride. Per the map a-e (a): Pourrioscope II detects the target olive crystal (b): Mg. Magnesium crystal structure (c): Fe. Iron crystal structure (d): 2. Frequency of 2 (e): O. Oxygen crystal structure at a0 count of 4