Sodium Chloride Crystal (NaCl) Comparison

Ordinary table salt can be an interesting subject, depending on the lighting conditions. First, we see two images of a strew at 5x, then a single crystal at 10x with Disco Lights Illumination.

sodium chloride crystals with Disco Lights Illumination 5x BD Plan sodium chloride crystals with Disco Lights Illumination 5x BD Plan sodium chloride crystal with Disco Lights Illumination 10x BD Plan

Next, the color filters are removed, but the darkfield illumination remains.

sodium chloride crystals with darkfield 5x BD Plan

Then, we see them with crossed polarizers, first in brightfield, then darkfield is shown.

sodium chloride crystals with brightfield and crossed polarizers 5x BD Plan sodium chloride crystals with darkfield and crossed polarizers 5x BD Plan

We now turn our attention to 4x tranmitted Rheinberg, with five different combinations of colors.

sodium chloride crystals with 4x Plan with Rheinberg filters sodium chloride crystals with 4x Plan with Rheinberg filters sodium chloride crystals with 4x Plan with Rheinberg filters sodium chloride crystals with 4x Plan with Rheinberg filters sodium chloride crystals with 4x Plan with Rheinberg filters

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