Crystal Production: chemical reaction-structure-sensitivity speck
Chemical Reaction: take place in total darkness it combines silver nitrate and potassium bromide in the presence of gelatin. The silver bromide will precipitate out and potassium nitrate can be washed away as a waste product.
Structure: small and are flat and rough and angular in shape
Sensitivity speck: gold-silver sulfide added to form- during latent emage formation the specks serve as electrodes to attract the free silver ion