noun. Any of various dark, granite-textured, crystalline rocks rich in plagioclase feldspar and having little quartz.

noun. The name given by Haüy to a rock included among those varieties which had before that time been generally designated by the name greenstone.

noun. An igneous, crystalline in structure, consisting essentially of a triclinic feldspar and hornblende. It includes part of what was called greenstone.

noun. A grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene.

noun. a granular crystalline intrusive rock

"Besides stuffs and mats, the furniture comprised chairs, beds, stools, an enormous number of vases, some in coarse pottery for common use, others in choice stone such as diorite, granite, or rock crystal very finely worked, on the fragments of all of which may be read cut in outline the names and preamble of the Pharaoh to whom the object belonged."

igneous rock  

Precambrian  alabaster  breccia  cornelian  ebon'stone