This mod adds hundreds of features.
Features
Weapons:
Emerald Sword
Ruby Sword
Obsidian Sword
Firinix
Plated Sword
Spiked Sword
Jade Sword
Ice Staff
Runic Sword
Copper Sword
Crystal Sword
Ancient Sword
Katana
Axes:
Ruby Axe
Plated Axe
Jade Axe
Runic Axe
Copper Axe
Crystal Axe
Pickaxes
Ruby Pickaxe
Plated Pickaxe
Jade Pickaxe
Runic Pickaxe
Copper Pickaxe
Crystal Pickaxe
Shovels/Hoes
Ruby Shovel
Ruby Hoe
Plated Shovel
Plated Hoe
Jade Shovel
Jade Hoe
Runic Shovel
Runic Hoe
Copper Shovel
Copper Hoe
Crystal Shovel
Crystal Hoe
Blocks:
Ruby Ore
Bedrock Ore
Jade Ore
Runicelium
Rune Soil
Runic Rock
Rune Ore
Copper Ore
Totem Slot
Amethyst
Large Spike
Gems/Crystals/Ingots
Fused Gem
Emerald Gem
Ruby
Bedrock Shard
Plated Iron
Jade Crystal
Rune
Copper Gem
Amethyst Crystal
Keys
Runed Key
Key of the Desert
Totems
Wither Totem
Eye Totem
Totem Fragment
Other Items
Magic Rod
Spike
Corrupted Orb
Mobs
Corrupted Entity
Husk Guardian
Shields
Plasma Shield
It could use some screenshots. It adds amethyst, which is already in minecraft. Must have been an old mod