Polarized Light Microscopy (PLM)

Unknown recrystallized from a drop of water.

Photomicrograph taken at a magnification ot 200X using plane polarized light.

Unknown recrystallized from a drop of water.

Photomicrograph taken at a magnification ot 200X using crossed polarized light.

These crystals were recrystallized from a drop of water after being received from an unknown chemical waste container. The crystals were identified by their crystal morphology and refractive indices as copper sulfate.