Drops: 6. Spherulites or microcrystals.

6. Spherulites or microcrystals.

Spherulites: transparent birefringent clusters. This is a good point for optimization.
Try additives or seeding.

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Spherulites can look like droplets.

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Spherulites can look like transparent clusters.

When using polarized light, spherulites show dark and light parts.

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Out of spherulites grown crystals.

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Microcrystals after streak seeding.

Microcrystals are small particles where edges and birefringence are visible if the magnification is high enough.