Amber Rough from Sumatra.
This listing is for 10 grams, which is roughly 6 pieces ranging in size. The last photo is of a 10 gram lot.
Pieces will be chosen intuitively for you, they will come with a velvet carrying bag.
Smaller pieces average 15 x 15 x 5 mm, and weigh 1 gram.
Larger pieces average 30 x 25 x 15 mm, and weigh 5 grams.