The really interesting thing about making this distinction is that there is no one judge of hardness; determininggemstone hardnessis a process that involves using materials with known Mohs hardness scale values and scratching the surface of a rough gemstone. This scratch test is referred to as de...
The aerial drone scenic view of the clay dry canyon near Kanab, Utah 00:29 Aerial view of the ocean waves hitting against the rocks 00:45 yellow-amber crystal 00:15 Pan across a piece of lapis lazuli rock. 00:10 Close-ups boiling lava from Mauna Loa volcano in Hawaii, USA; 1968 ...
Stone mace head: A votive offering to a temple; it is too large to have been used as a weapon. Anzud is also known as Imdugud. Enlarge. See the back of the mace. Bas-relief of Anzud attacking a man-headed bull. Pendant of gold and lapis lazuli. See an enlarged view of the pe...
and beads and amulets of metal and lapis lazuli. These Egyptians had brick houses, although they were small, one-room houses with an enclosed courtyard. They had irrigation projects. A temple at Nekhen had battered walls. Sometime in the late predynastic, people of the south tried to conquer...
For example, 'A gem of a sky-blue to apple- green colour' is the OED's definition of turquoise, while azure (from lapis lazuli) is 'a bright blue pigment or dye . . . Prussian blue'. How many people would 28 HISTORY IN THE LANGUAGE recognize the definition 'a very pale blue with...