Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various altered basic igneous rocks colored green by chlorite, hornblende, or epidote.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. any of several green-hued minerals used for making various artefacts in early Mesoamerican cultures, e.g. greenschist, chlorastrolite, serpentine, omphacite, or chrysoprase
  • n. the green-hued minerals of New Zealand used by Māori to make tools, ornaments and weapons (any of three varieties of nephrite jade or one variety of bowenite)

from the GNU version of the Collaborative International Dictionary of English

  • n. A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc.

from The Century Dictionary and Cyclopedia

  • n. Any one of various rocks, of eruptive origin, in general older than the Tertiary, crystalline-granular in texture, and of a dark-greenish color.
  • n. A very hard and close-textured stone used for putting the last edge on lancets and other delicate surgical instruments, etc.
  • n. A name in New Zealand for several varieties of jade, specifically for pounamu or nephrite, found chiefly on the west coast of the Middle Island: formerly much used by the Maoris for weapons, implements, and ornaments.

Etymologies

From green + stone. (Wiktionary)

Examples

  • The soils of the Marcassin vineyard are 18–24 inches of gravelly loam over highly fractured rock of marine volcanic origin, known as greenstone or basalt.

    The World’s Greatest Wine Estates

  • Expedition brought back specimens of free gold found in basalt, apparently eruptive, and in corundophyllite, which the engineer called greenstone porphyry: silver appeared in the red sands, in the chloritic quartz, and in the titaniferous iron of the Jebel el-Abayz; the value being 265 to 300 francs per ton, with traces in the scoriæ.

    The Land of Midian

  • MCKELLEN: This is greenstone, which is unique to New Zealand.

    CNN Transcript Mar 24, 2002

  • Khedivial Expedition brought back specimens of free gold found in basalt, apparently eruptive, and in corundophyllite, which the engineer called greenstone porphyry: silver appeared in the red sands, in the chloritic quartz, and in the titaniferous iron of the Jebel el-Abayz; the value being 265 to 300 francs per ton, with traces in the scoriæ.

    The Land of Midian — Volume 1

  • Glass cases are filled with carved stone masks and small figurines (usually tomb finds), carefully carved in minerals like jadeite and greenstone, as well as dozens of elongated ovoid polished ritual axes called " celts " (bloodletting was practiced, but not with these), as meticulously positioned in the cases as they were in the tombs.

    Mysteries Carved in Stone

  • The golden figure was modeled on a purportedly Aztec greenstone carving called Tlazolteotl, considered to be a masterpiece by the Dumbarton Oaks Museum in Washington, D.C. In my research into the object's acquisition history, I discovered that a Chinese dealer in Paris sold the figure in 1883 to a famous French mineralogist, Augustin Damour.

    Legend of the Crystal Skulls

  • Typically occurring in Virginia are basalt and metabasalt of the Catoctin Formation, granite and granodiorite of the Virginia Blue Ridge Complex, and andesite, tuft, and greenstone of the Swift Run Formation.

    Ecoregions of Delaware, Maryland, Pennsylvania, Virginia, and West Virginia (EPA)

  • One of the beads had been perforated and a small greenstone bead was found in the soil.

    Archive 2008-04-01

  • One of these more luxurious items would have been the Field Museum's own greenstone sculpture of Quetzalcoatl, or the "feather serpent," on display here.

    More Than Blood and Brutality

  • Successive tecto-metamorphic events of Late Precambrian age are largely responsible for the granite-greenstone belts that form the bedrock beneath much of this ecoregion.

    Northern Congolian forest-savanna mosaic

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