Other names/forms:Tremolite
Most distinguishing features:Habit and colour are best indicators.
Most distinguishing features:Prominent striations, prismatic crystals and angle on cleavages is distinguishing.
Industrial/economical uses:Ornamental.
Other names/forms:Actinolite
Most distinguishing features:Noticable habit of white acicular grains.
Industrial/economical uses:Sometimes used as an asbestos mineral, and thus linked as a health hazard.