Table 4 Chromophoric elements of glass glitter from the Vigani Cabinet

I/3

Blew Fr.

Blue

Cobalt, copper

I/18

Green Fr.

Green

Copper, iron

I/34

Gold Fr.

Brown, yellow

Iron, copper, gold

I/39

White Fr.

Colourless

Colourless

I/59

Brown Fr.

Brown, violet

Manganese, probably gold

I/60

Ash colour Fr.

Turquoise

Copper

I/62

?? Fr.

Brown, violet, colourless

Manganese, copper, iron, (cobalt, nickel, zinc)