I'll start using the official version, but I won't leave this post abandoned, so I'll upload the recent update of Ores Plus.

Remember the outdated Ores Plus addon?
Final version, Link : https://mcpedl.com/ruby-add-on/

Alexandrite

Alexandrite can be obtained when killing the ender dragon ; 9 items

Elemental Gems and Essences

Elemental Essences

Elemental essences are used to craft elemental gems.

Elemental Armors

To craft any set of elemental armor, you need 1 elemental gem with required type and 1 white diamond armor set.
-The white diamond is found rarely only between layers -30 to -54

Heillish Armor

-To create it you must kill a wither to get 3 of its fragments

-Wither: 100% chance

Angelic Armor

-Obtained by killing phantoms to obtain their essence; 35% chance

Oceanic Armor

-Obtained by killing guardians & elder guardians to obtain their essence; 5% chance & 100% chance

Infernal Armor

-Obtained by killing Blazes to obtain their essence; 5% chance

End Armor

-Obtained by killing Endermens & Shulkers to obtain their essence; 5% chance

Follow me in instagram to follow my addons progress
https://www.instagram.com/hamleth_arena?igsh=MWtwdWY2bGVvMDFxdA==

Social media:
https://discord.gg/8GjJgaD9pn

Archaic Ores Plus (Transfer to the official Add-on)