Gemstone

s are 7 types of Crystal Hollows resources. They are used as crafting ingredients and can be added to certain items to boost certain stats.

Mechanics
Gemstones come in 7 varieties:, , , , , , and.

Each Gemstone has 5 tiers, listed from lowest to highest:, , , and. Each tier is crafted from 80 of the previous, except which is created in The Forge.

Obtaining
Gemstones can be mined in Crystal Hollows from their ores. Their ores generate randomly in differently sized veins. Veins regenerate after some time.

Mining gemstones will always give tier of the item. grants a chance to drop a gemstone for each  gemstone harvested.

Gemstones of Rough and Flawed qualities can be found in treasure chests. Treasure chests spawn in random structures or randomly when mining in the Crystal Hollows.

Treasure chests will only contain the Gemstones found within the area. For example, Magma Fields chests will only contain and. Multiple (typically 4-10) stacks of loot generate in 1 chest.

Certain Crystal Hollows mobs also drop Gemstones when killed.

Collection
All 7 types of Gemstones increase the Gemstone Collection. Gemstones from treasure chests do not count towards increasing the Collection.

Item Stats
Gemstones can be applied to select items at Geo. They provide different stats to the item based on the Gemstone's quality and type, and the item's rarity.

When applied to a Talisman of Power, Ring of Power or Artifact of Power, the granted stats are halved.

Trivia

 * Gemstones are the only items which have 5 tiers (,, , and ).
 * Only Ruby is displayed in the collection, this is expected to be a bug.
 *  Sapphire does not provide any stat at Geo, this is expected to be a bug.