Jade Ore
From WikiRaider
Jade Ore is one of the rarer Resources that can be found in Shadow of the Tomb Raider. It does not serve any Crafting purpose but is only good for selling to one of the Merchants in Paititi for Gold Coins. Gold Coins in turn can be used to buy other items or resources.
Precious mineral harvested primarily from underwater jade ore vines.
Sell to merchants.
On-screen info
Jade Ore can be found in Crypts and Optional Tombs, but sometimes it can be found in populated areas as well as Jade is often used to create jewellery or religious objects. There are also many Gold Ore Veins. Lara can carry up to 75 pieces of Jade Ore in her inventory.