Seraphinite

Alex Campfield sona

Seraphinite-

With some specimens the resemblance is quite strong, with shorter down-like feathery growths leading into longer "flight feathers"; the resemblance even spurs fanciful marketing phrases like "silver plume seraphinite." Seraphinite is generally dark green to gray in color, has chatoyancy, and has hardness between 2 and 4 on the Mohs scale of mineral hardness.

Plot:

Past: Homeworld, Blue Diamond Faction, Handler to Blue Chalcedony (Blue Diamond's favorite vocalist/entertainer)

Rebellion: Blue Chalcedony was Brought by Blue Diamond to Earth to perform for Pink Diamond, left her Chalcedony's side to explore the battlefield. seeing the carnage of gems poofing and shattering other gems. Was horrified and fled running into the crystal gems. The CG poofed her and stored her away.

Current: *(assuming unbubbled by Steven): would be wary of CG and be curious of Steven, Trusting of other New-to-earth Homeworld Gems like Peridot/Lapis (And Angel Aura) Joins CG (kinda like Lapis) and would most likely live on the farm.

Powers: healing of flesh/gems/plants, flight(light beams disrupting locational gravity) 

Fuses with Angel Aura Quartz to produce Ammolite: Shared concepts of curiosity and protection

Fuses with Lapis? to produce ?: Shared concepts of freedom and ?