This is what the entry from the Zecchi site looks like to help in ordering: “ Natural Sanguine lumps. Chemical composition: Nat.Iron Oxide in clay (Series: 5) .” Here is our best guess at the equivalent in Italian. This is from the Italian portion of the site: “ SANGUIGNA NATURALE in pezzi. Composizione chimica: Ossido di Ferro naturale (Gruppo: 5).”