Where I can find silver veins?

Question

What are all locations of silver vein for farming Vial of Liquid Silver ( item needed for Closed Silver Traps used during fight with Feroxa)?

Answer 1

You need to go down to floor -3 on Grimvale, and you will find silver veins over the walls. 

They look like this:

Once there, you only need to use a pick (Secret Agent tools will also work).

Source: Grimvale Quest/Spoiler | TibiaWiki | Fandom