The Witcher

Wine stone is an alchemy ingredient and can be purchased from the following merchants:

• Kalkstein in the Nonhuman district

Source

• A Small Book of Minerals
• The Great Book of Minerals

Notes

• A nurse asks Geralt for a wine stone or naezan salts for a poultice in Chapter V.

The Witcher 3: Wild Hunt

Wine Stone is an alchemy ingredient that is needed to craft the following items:

• Enhanced vampire oil
• Superior vampire oil

It can be found as random loot, guaranteed in the basement of the southeastern abandoned house in Mulbrydale, or purchased from the following merchants:

• All alchemists except the two in Novigrad
• All herbalists in Skellige except Yolar
• Herbalist outside the Cunny of the Goose inn
• Herbalist in Glory Lane
• Halfling merchant in Silverton
• Merchant in Putrid Grove
• Otto Bamber at the Herbalist's Hut northeast of Oxenfurt
• Herbalist in Barrengarth
• Master Topical in his hut northwest of Vikk Watchtower
• Pinastri in her home northeast of Dun Tynne Crossroads