not specified
black
black-green
blue
blue-green
blue-grey
brown
brown-red
cobalt
colourless
colourless - bluish
colourless - greenish
colourless - greyish (smoky)
colourless - violet tinge
colourless - yellowish
dark blue
dark green
gold coloured
grass-green
green
green-blue
greenish yellow
green-yellow
honey-brown
light (up to lemon-yellow)
light blue
light brown
light green
light violet
milky-white
ochre (yolk)
orange
pink
polychrome
red
silvery
terracotta
turquoise
undetermined
undetermined - beige
undetermined - black
undetermined - black-grey
undetermined - brown-black
undetermined - grey-black
undetermined brown
undetermined brown-grey
violet (purple)
white
yellow
yellow-green
yellowish
yellowish green