Crystalline Lens is an Alchemical Ingredient. Combine 3 of these to extract their Essence of Crystalline Lens, which is used to make Elixir of Darkvision.
When Held up to moonlight the lens seems to shift, as if its glass core reacts to the scant light of evening.
Properties
Rarity: Story Item
Weight: 0.05 kg / 0.1 lb
Price: 7 gp
Notes
Although marked as a story item in terms of rarity, this item doesn't seem to have any use beyond being an alchemy ingredient.