0. -
1. -
2. -
3. Black (First Stage)
4. Red-Brown (Second Stage)
5. Red (Third Stage)
6. Deep Yellow (Fouth Stage)
7. Pale Yellow (Fifth Stage)
8. Blue (Sixth Stage)
9. White (Seventh Stage)
10. -
H.E. Stapleton "Chemistry in 'Iraq and Persia in the 10th Century A.D." Memoirs of the Asiatic Society of Bengal VIII, no.6 (1927), p. 403 note 1.