Tartrate Crystals in White Wine, a Sign of Quality

Many wine drinkers think there is a problem when they see tartrate crystals in the bottom of their wine glass. But there is absolutely nothing to worry about, apart from visually. The potassium tartrate crystals or ‘wine diamonds’, as they are sometimes called, are formed naturally during the course of the winemaking process and are

Tartaric Crystals in Wine: the "Wine Diamonds" of Quality

Have you ever come across what appear to be white flakes floating in your bottle of wine? Did you assume that this snow-globe appearance somehow meant the wine was flawed or ruined? What you had most likely seen are tartaric crystals, commonly referred to as “wine diamonds” or Weinstein (“wine stone”) in German speaking countries.