Emerald Armor is simply an emerald form of armor. It contains boots, leggings, a helmet and a chestplate.
Crafting[]
Boots[]
Emerald boots are crafted using 4 emeralds in this way:
Leggings[]
Emerald leggings are crafted using 7 emeralds in this way:
Chestplate[]
Emerald chestplates are crafted using 8 emeralds in this way:
Helmet[]
Emerald helmets are crafted using 5 emeralds in this way:
Photo credit to Chupacabra boy
Defense points[]
The Defense points of emerald armor are less than diamond but more than iron/chain.
A full set will equal 17 defense points with a helmet being 3; A chestplate being 7; Leggings being 5 and boots being 2.