(NWWB) - “Diamonds are forever, They are all I need to please me, They can stimulate and tease me…” Shirley Bassey’s lyrics from the famous 1971 James Bond Movie, Diamonds are Forever. In the movie of course, he enjoys a very fine sherry. Interestingly enough, also a wine which was associated with the occurrence of “wine diamonds”, or tartrate crystals as a function of the presence of potassium, particularly in the case of sherry, calcium tartrates as a function of fermentation in traditional cement tanks or treatments with calcium sulphate to lower the pH.