Ytterbium nitrate

A sample of Ytterbium(III) nitrate (Yb(NO₃)₃) under the microcope and in polarized light. 

Ytterbium nitrate (Magnification 80 x)

Ytterbium nitrate (Magnification 80 x)

To the overview chemicals under the microscope.

Tartrate from red wine

These crystals are tartrate formed in red wine (it was a very tasty Shiraz from Southern Africa).

Tartrate (Magnification 120 x)

Tartrate (Magnification 120 x)