All were associated with pieces of fragmented, burnt sarsen. The stones are of sarsen or conglomerate. The stones are made of sarsen or conglomerate. The chamber, made of sarsen stones, contained partial human skeletons. The down has the best assemblage of sarsen stones in England. A parapet wall of sarsen stones lined the top of the innermost rampart. The builders of Stonehenge used these stones for the heelstone and sarsen circle uprights. The Blowing Stone is a perforated sarsen at in Kingston Lisle, Oxfordshire (Berkshire until 1974). With the exception of the sandstone Rempstone circle, all consist of sarsen boulders. The alphabet was reworked by Sarsen Amanzholov and accepted in its current form in 1940. The word "sarsen" is a shortening of "Saracen stone" which arose in the Wiltshire dialect. Avebury and many other megalithic monuments in southern England are also built with sarsen stones. There is a sarsen stone in the church which may have pagan origins. Sarsen is not an ideal building material, however.