پرونده:CrystalGrain.jpgDescriptionCrystalGrain.jpg Microstructure of VT22 (Ti5Al5Mo5V1,5Cr) after quenching Date April 2008 Source Own work Author Edward Pleshakov
پرونده:Na3FeOx3 01.JPG{{Information |Description = Crystals of Sodium TrisoxalatoferrateIII. Lagest crystals a few mm long, smallest, fine sand grain size. |Source = I (Andrew
پرونده:Ssc2005-21a.jpgincreasing grain size, and probably occurs because the heavier dust grains are settling downward. Together, these observations -- of crystals, growing dust