[@Kronshi]

Strengite+Chromite= Chalcedony
Strengite+Emerald(Eve?)= Fluorite
Strengite+Spinel= Hackmanite
Strengite+Rhodolite= Lepidolite
Strengite+Bloodstone= Taaffeite 


Maybe this are the wrong pairings and you find a better use for the names elsewhere but here are some