A tiny pinch of magnesium sulfate in a drop of distilled water on an object glass, moderately heated until partly evaporated, left to cool and dry a bit.
More interesting than I anticipated, especially the areas where crystals and liquid meet.
Optiphot with 50 W halogen, 20x planachro, DIC, direct projection on a Lumix G9 M4/3 sensor.
fun with magnesium sulfate
fun with magnesium sulfate
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