(1) Gold Largely pink except for granules and beads.
(2) Silver Nil
(3) Natural stones Nil
(4) Glass: Dark blue (very corroded and colour gone except in beads)
(5) Resin Black by reflected light, dark red by transmitted light (surface much decayed)
TREATMENT:
Consolidated resin with alcohol, cleaned beads with warm water and ammonia.
Impossible to clean red gold without losing colour, but in good state.