Such a pretty pink stone!
It's named after American Banker and gem collector JP Morgan.
Its from the same family as Emerald and Aquamarine (Beryl Species) and has a hardness of between 7.5 - 8 so is suitable for careful everyday wear.
Image from Gemstones by Smithsonian Handbooks Gemstones- Smithsonian Handbooks
From top left going clockwise: Oval Mixed Cut, Round Brilliant Cut, Drop Shaped Cut, Oval Brilliant cut
It's Manganese that gives it them pink colour.
Most of the stones comefrom Madagascar and Brazil.