Numerous fragments of obsidian arrow-heads and chips are also found in and near them all over the island.
Like the rest of the cluster, the island is of volcanic origin, with tuff, trachyte and obsidian among its ordinary rocks.
To Melos in the earlier Second City Period of Phylakope) and to Cyprus, receiving in return such commodities as Melian obsidian knives.
Celts, of the usual late neolithic type, were generally of green jasper; hoe-blades (looking almost exactly like palaeolithic haches a main) of chert or coarse limestone; hammers of granite; mace-heads, of identical type with the early Egyptian, of diorite and limestone; nails of obsidian or smoky quartz, often beautifully made.
On the paved platform were three-storey tower temples in whose ground-floor stood the stone images and altars, and before that of the war-god the green stone of sacrifice, humped so as to bend upward the body of the victim that the priest might more easily slash open the breast with his obsidian knife, tear out the heart and hold it up before the god, while the captor and his friends were waiting below for the carcase to be tumbled down the steps for them to carry home to be cooked for the feast of victory.
Breakfast was on the magic obsidian tray next to the bed.
Distraught, she rolled over to find the first surprise of the day on the block of stone that acted as a nightstand: an obsidian tray of fruit and fresh pastries.
They perform complicated surgical operations with an obsidian knife or a shark's tooth.
Another type of incipient crystallization which is excessively common in obsidian is spherulites, or small rounded bodies which have a radiating fibrous structure.
It was sensual, dark and cool: black walls and obsidian wood flooring covered by jewel-toned rugs, mahogany California King bed with the finest maroon silk sheets and a dark gray comforter so soft, it was like sleeping in a cloud.