1) Breakableness 2) Crumbliness 3) Excessive breakableness 4) Materials science 1) Brittleness 2) Crumbliness 3) Pulverulence 
Friability (pronounced iː, `{Respell|fry-uh|BIL|uh-tee}`), the condition of being friable, describes the ability of a solid substance to be reduced to smaller pieces with little effort. The opposite of friable is indurate. Substances designated as being hazardous, such as asbestos or crystalline silica are often referred to as being friable if .....
The tendency of a granule to crumble, breaking down into smaller particles.
Ease of pulverizing, mellowness.