Chemical Ores B-verison is a release file of the Minecraft mod Ores of Chemical Elements, made for Minecraft 1.8.9. It was published on February 11, 2016 and is 9.7 MB in size. For the full description, screenshots and every other version, visit the Ores of Chemical Elements mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.