Crumbly, mildly earthy with fine grit, from Europe. Chalks, available in various types and quantities.
Packets of 2 sticks (1 white and 1 coloured) and 6 sticks are both the same type - crumbly soft-medium crunch.
Packets of 5 sticks are large sticks, earthy, medium to hard crunch then softens.
Packets of 10 sticks are small cylinder shaped, clay like in texture, soft to medium crunch.