Here are the two I am thinking...

1. [img]http://orig06.deviantart.net/ace5/f/2015/089/8/7/maloking_kyanite_gemsona_by_maloking-d8ns650.png[/img]



2. [img]http://img07.deviantart.net/805e/i/2015/161/3/4/steven_universe_gem_fusion__pietersite_by_darkbox_v2k-d8s9m73.png[/img]