Calcium Sulfate Dihydrate
This is a calcium sulfate percipitate formed by the
addition of dilute sulfuric acid to a
solution containing calcium chloride. In this case the test drop was very
concentrated. For more typical crystals look under
"Chemical Microscopy"
Transmitted Off Crossed Circular Polarized Light
Definition/Function:
Significance in the Environment:
Characteristic Features:
Associated Particles:
References:
Chamot, Emile Monnin and Clyde Walter Mason, HANDBOOK OF CHEMICAL MICROSCOPY, Volume II,
pp. 105-107 and 349-350, 1940.