Materials help

[5 Kings of Twilight]

I need help.

Who can tell me which material is

between Frost Stone and Lightning Stone? It's a S rank.

between Dark Stone and Dense Stone, S rank

between Twilight Shard and Mythil Shard, A rank

between Bright Crystal and Energy Crystal, B rank..

anyone who can help me, ty.
Just say the materials, I can go to the Sticked threads on how to get them.

 

[square-enix]

Well S Ranked are Crystals : A Gems : B Stones

between Frost Stone and Lightning Stone? It's a S rank.
Frost Crystal
between Dark Stone and Dense Stone, S rank
Dark Crystal
between Twilight Shard and Mythil Shard, A rank
Twilight Gem
between Bright Crystal and Energy Crystal, B rank..
Energy Stone

Your thing looks like?:

Frost Shard Frost Stone
Frost Gem ????? ?????
Lighting Shard Lighting Stone
Lighting Gem Lighting Crystal

Dark Shard Dark Stone
Dark Gem ???? ????
Dense Shard Dense Stone

If so then my answers are right