Gems

Gem Type	Gem	Value	Primary Skill	Secondary Skill	Other comments
N/A	Rubywall Crystal	50	N/A	-	Used in Surveying
Blue	Amethyst	100	Teleportation	-	Favor item for Mu, Sem, Ratuk the Thinker
	Azurite	100	Bard	-	Favor item for Mu, Sem, Percussa
	Blue Spinel	100	Staff	-	Favor item for Mu, Sem
	Fluorite	100	Animal Handling	Meditation	Favor item for Gisli, Mu, Sem
	Lapis Lazuli	100	Priest	Alchemy	Favor item for Mu, Yetta, Gloria Stonecurl, Sem
	Obsidian	100	Knives	-	Favor item for Helena Veilmoor, Mu, Suspicious Cow, Sem
Green	Aquamarine	100	Fishing	Teleportation	Favor item for Ratuk the Thinker
	Bloodstone	100	Weather Witching	-	Favor item for Nishika, Sie Antry, Selaxi
	Malachite	100	Cow, Pig, Deer, Spider, Bat, Rabbit	-	See Sigil Scripting recipes
	Peridot	100	Archery	Calligraphy	Favor item for Percy Evans, Bellema Deftwhisper
	Tourmaline	100	Combat Psychology	-
	Tsavorite	100	Ice Magic	Geology	Favor item for Ratuk the Thinker
White	Diamond	100	-	-	Can be used in Resurrection spell
	Quartz	100	Fire Magic	-	-
	Onyx	100	Shield	Armor Patching, Tanning, Leatherworking	Gift to Kleave, Lamashu or Yasinda for favor See Sigil Scripting recipes
	Agate	100	Unarmed	-	-
	Winterprize	100	-	-	Used in Geology Recipes to create Maximized gems
	Moss Agate	100	Hammer	-	Gift to Falkrin Overstrike or Brianna Willer for favor
	Moonstone	100	Lycanthropy	-	Favor item for Gurki, Sanja
Orange	Carnelian	100	Sword	-	Gift to Janet Lews for favor
	Citrine	100	Battle Chemistry	-	Gift to Leonard Allenson for favor
	Garnet	100	Druid	First Aid	Favor item for Yalox, Lady Windsong See Sigil Scripting recipes
	Topaz	100	Mentalism	-	Gift to Nightshade or Baroness Marith Felgard for favor
	Sardonyx	100	Warden	Tailoring	Gift to Jaime Fatholm for favor
	Serpentine	100	Necromancy	-	Gift to Daniel Murderdark for favor
Ilmari	Ruby	200	Survival	-	-
	Sapphire	200	Survival	-	-
	Tiger's Eye	200	Survival	-	Used in Saddlery
	Turquoise	200	Survival	-	Used in Saddlery
	Danburite	200	Survival	-	-
	Emerald	200	Survival	-	-
	Goshenite	200	Generic	-	-
	Morganite	200	Survival	-	Used in Saddlery
	Opal	200	Survival	-	-
	Sunstone	200	Generic	-	-

Attuned Gems

Certain gems can be crafted into Attuned Gems through recipes learned through Sigil Scripting.

Attuning Skill	Base Gem	Value	Output Skill
Sigil Scripting	Bat Malachite	110	Giant Bat
	Cow Malachite	Malachite	Cow
	Deer Malachite	Malachite	Deer
	Pig Malachite	Malachite	Pig
	Rabbit Malachite	Malachite	Rabbit
	Spider Malachite	Malachite	Spider
	Fairy Magic Topaz	Topaz	Fairy Magic
	First Aid Garnet	Garnet	First Aid
	Armor Patching Onyx	Onyx	Armor Patching
	Spirit Fox Lapis	Lapis Lazuli	Spirit Fox

Catalyst Gems

The Geology skill has recipes used to turn certain gems into Catalyst Gems which are used in certain high level crafting recipes.

Catalyst Gems have specific skills they are primarily created for, but most have at least one secondary use.

Catalyzing Skill	Gem	Base Gem	Primary Use	Secondary Use
Geology	Maximized Sardonyx	Sardonyx	Tailoring	Armorsmithing
	Maximized Onyx	Onyx	Leatherworking	Fishing
	Maximized Obsidian	Obsidian	Toolcrafting	Carpentry
	Maximized Aquamarine	Aquamarine	Armorsmithing	Teleportation