Diorite

The heavier of the two slabs, "Negative Wall Sculpture #6/Black Diorite Granite," at more than six tons, sold for $750,000, the gallery says.

All's Not Fair in Miami 2008

Diorite — A dark-colored igneous rock with medium or coarse grains.

Tseh So, a Small House Ruin, Chaco Canyon, New Mexico : 1937

Diorite, alabaster and pottery vessels of Old Empire

El Kab James Edward Quibell 1901

Diorite statues of the prince are now in the Louvre, and inscriptions upon them state that the stone out of which they were made was brought from the land of Magan.

Patriarchal Palestine 1889

Diorite forms the great mass of this stratum; it is of a dark green colour, granular, with small grains, and destitute of quartz; its mass is formed of small crystals of felspar intermixed with crystals of amphibole.

Travels to the Equinoctial Regions of America 1851

A felspathic rock cropped out near the second creek, where I met with a dark rock, composed of felspar and horneblende (Diorite.)

Journal of an Overland Expedition in Australia : from Moreton Bay to Port Essington, a distance of upwards of 3000 miles, during the years 1844-1845 Ludwig Leichhardt 1830

I observed Pegmatite of a white colour, and hornblende Porphyry and Diorite.

Journal of an Overland Expedition in Australia : from Moreton Bay to Port Essington, a distance of upwards of 3000 miles, during the years 1844-1845 Ludwig Leichhardt 1830

Diorite forms the great mass of this stratum; it is of a dark green colour, granular, with small grains, and destitute of quartz; its mass is formed of small crystals of felspar intermixed with crystals of amphibole.

Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3 Alexander von Humboldt 1814

'Greenstones, Diorite', are granular mixtures of white albite and blackish-green hornblende, forming dioritic porphyry when the crystals are deposited in a base of denser tissue.

COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 Alexander von Humboldt 1814

Image showing coincident magnetic anomaly (Reduction to Pole processing), and mapped extent of Diorite

The Earth Times Online Newspaper 2009