1 E-1 2016 Press Release. 2  E-1 Cities, Counties, and the State Population Estimates with Annual Percent Changeâ January 1, 2015 and 2016.  Tables of January 2016 City Population Ranked by Size, Numeric, and Percent Change.
Prismarine Crystals are items added in 14w25a that can be obtained by defeating the Guardian mob. They are used to craft Sea Lanterns, along with Prismarine Shards. Sea Lanterns also drop them when broken.
Definition of prism 1: a polyhedron with two polygonal faces lying in parallel planes and with the other faces parallelograms 2 a: a transparent body that is bounded in part by two nonparallel plane faces and is used to refract or disperse a beam of light