What is "meleke"

Meleke (, "royal", "kingly") — also transliterated melekeh or malaki — is a lithologic type of white, coarsely crystalline, thickly bedded limestone found in the Judean Hills in Israel and the West Bank. It has been used in the traditional architecture of Jerusalem since ancient times, especially in Herodian architecture. Though it is often popularly referred to as Jerusalem stone, this phrase can refer to a number of different types of stone found and used in, or associated with, Jerusalem.