Some fusion ideas (I can explain as to why afterwards, if you'd like):
Amber + Evenkite = I'm not so sure if the Petrified Wood thing can even happen now because of Groot jokes, but..Um...If not that, how about Londonite or Marialite?
Amber + Sodalite = Ocean...Jade? Would that be okay since there's already Jade? If not, Coral?
Spinel + Howlite = Zirconia?
Spinel + Evenkite = Gypsum?
Spinel + Sodalite = Anhydrite?
Howlite + Zircon =
Howlite + Evenkite =
Howlite + Sodalite =
Zircon + Evenkite =
Zircon + Sodalite =
Evenkite + Sodalite = Carnallite?

Some weapon ideas: