Sunday, November 25, 2012

Ice under the microscope

The scientific definition of ice is that it has a regular crystalline structure based on the molecule geometry of water, which consists of a single oxygen atom covalently bonded to two hydrogen atoms, or H-O-H. Normal ice has a hexagonal symmetry. However, it shows under polarized light a large variety of forms and colors. Even in samples of ‘normal’ crystalline ice it has diverse manifestations. Normal means ice is crystallized under atmospheric pressure and by temperatures below 0°C. 

Some samples are shown here. The photography’s are made of ice that was crystalized on microscope slides and placed in polarized light.

Ice on a microscope slide (Magnification 40 x).

Melting ice swimming on a drop of water (Magnification 40 x).

Ice with grow structures and bubbles that are enriched in small cavities in molten ice (Magnification 40 x).

Another ice sample in higher magnification (Magnification 80 x).

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