Minoan civilization expand their influence. It is likely that the original hierarchies of the local elites were replaced by monarchies, a precondition for the palaces. At the end of the MMII period (1700 BC) there was a large disturbance on Crete—probably an earthquake, but possibly an invasion from Anatolia. The palaces at Knossos, Phaistos, Malia and Kato Zakros were destroyed. At the beginning of the neopalatial period the population increased again, the palaces were rebuilt on a larger scale and new settlements were built across the island. This period (the 17th and 16th centuries BC, MM III-Neopalatial) was the apex of Minoan
Minoan sealstone Minoan sealstone Minoan seal-stones are carved gemstones produced in the Minoan civilization. They have been found in quantity at specific sites, for example in Knossos, Mallia and Phaistos. Minoan seal-stones are of a small size, 'pocket-size', in the manner of a personal amulet. They might be thought of as equivalent to the pocket-sized, scaraboid seals of Ancient Egypt. However Minoan seals can be larger, with largest examples of many inches. These include with animals, dance, and goddesses. One common iconographic motif in Minoan art, especially frescoes, is bull-leaping; the example illustrated shows leapers and a bull. Other themes are varied,