Fig. 5
From: Comparison of sodium chloride hopper cubes grown under microgravity and terrestrial conditions
Examples of 2 nearly ideal earth grown hopper cubes. a 250 µm NaCl hopper cube grown in a 1 mm capillary: ref. 15 Copyright 2014 American Chemical Society. b 140 µm NaCl hopper cube with sharp edges obtained with MgCl2 antisolvent precipitation]. (Scale bars: 100 µm)
