A Purple Fluorite Shard is a common Alchemy Crystal that's purpose is to be sold for gold.
A common Underdark crystal, fluorite seems to form anywhere where light is scarce, though only bigger stones are suitable for mining.
Properties
Miscellaneous Items
Rarity: Common
Weight: 0.02 kg / 0.04 lb
Price: 20 gp
Where to find
They can be collected by destroying Glowing Gems in Decrepit Village.