0 votes 0 votes The clay mineral primarily governing the swelling behavior of Black Cotton soil is Halloysite Illite Kaolinite Montmorillonite Soil Mechanics gate2014-ce-2 soil-mechanics geotechnical-engineering characteristics-of-clay + – Milicevic3306 asked Mar 25, 2018 recategorized Nov 18, 2020 by soujanyareddy13 Milicevic3306 11.9k points answer See all 0 reply