Gemstone

 is a resource in the Mining Collection that can be obtained in Crystal Hollows, in veins vary in size generated randomly. Mining gemstone will always give  tier of the item and requires 6 to 9 depends on the type. There are 5 tiers of for each type, which are ', ', ', ' and ', players can craft ', ' and ' tier with 80 of its previous tier, and can forge  tier at The Forge with Heart of the Mountain Tier 5 and Gemstone Collection IX. can be used at Geo to apply on items and provide different stats.

Item Stats
can be used at Geo to apply on items and provide different stats.

Trivia

 * Currently, crafting Power Scroll, ', ' and  tier of Jade, Amber, Topaz, Sapphire, Amethyst and Jasper Gemstone bypasses its collection requirement.
 * Only Ruby is displayed in the collection, this is expected to be a bug.
 * Previously players are able to craft ' gemstones with 80 ' tier, however the crafting recipe has been removed as July 7th, and been moved to The Forge instead.
 *  Sapphire does not provide any stat at Geo, this is expected to be a bug.