Materials I used: Soft copper wire: 20 gauge (wire diameter 0.8mm): 12cm (about 5 inch) 28 gauge (wire diameter 0.3mm): 60 cm (24 inch) Abacus crystal: 3, 4, 6, 8mm Learn step by step how to create a ...

IN sodium–montmorillonite suspensions the single clay plates are largely separated from each other, whereas in calcium–montmorillonite they form aggregates or tactoids containing from 5 to 15 parallel ...