Verd antique
Encyclopedia
Verd antique or verde antique, is a serpentinite
Serpentinite
Serpentinite is a rock composed of one or more serpentine group minerals. Minerals in this group are formed by serpentinization, a hydration and metamorphic transformation of ultramafic rock from the Earth's mantle...

 breccia
Breccia
Breccia is a rock composed of broken fragments of minerals or rock cemented together by a fine-grained matrix, that can be either similar to or different from the composition of the fragments....

 popular since ancient times as a decorative facing stone. It is a dark, dull green, white-mottled (or white-veined) serpentine, mixed with calcite
Calcite
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate . The other polymorphs are the minerals aragonite and vaterite. Aragonite will change to calcite at 380-470°C, and vaterite is even less stable.-Properties:...

, dolomite
Dolomite
Dolomite is a carbonate mineral composed of calcium magnesium carbonate CaMg2. The term is also used to describe the sedimentary carbonate rock dolostone....

, or magnesite
Magnesite
Magnesite is magnesium carbonate, MgCO3. Iron substitutes for magnesium with a complete solution series with siderite, FeCO3. Calcium, manganese, cobalt, and nickel may also occur in small amounts...

, which takes a high polish. It is sometimes classed, erroneously, as a variety of marble ("serpentine marble", "Connemara marble
Connemara
Connemara is a district in the west of Ireland consisting of a broad peninsula between Killary Harbour and Kilkieran Bay in the west of County Galway.-Overview:...

", "Moriah stone", etc). It has also been called and marketed as "ophicalcite" or "ophite".

Verd antique is used like marble especially in interior decoration and occasionally as outdoor trim, although the masses are frequently jointed and often only small slabs can be secured. It was known as lapis atracius to the ancient Romans and was quarried especially at Casambala, near Larissa
Larissa
Larissa is the capital and biggest city of the Thessaly region of Greece and capital of the Larissa regional unit. It is a principal agricultural centre and a national transportation hub, linked by road and rail with the port of Volos, the city of Thessaloniki and Athens...

, Thessaly
Thessaly
Thessaly is a traditional geographical region and an administrative region of Greece, comprising most of the ancient region of the same name. Before the Greek Dark Ages, Thessaly was known as Aeolia, and appears thus in Homer's Odyssey....

, in Greece
Greece
Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

. The term "verd antique" has been documented in English texts as early as 1745.

Non-brecciated varieties of a very similar serpentinite, sometimes also called "verd antique", have been quarried at Victorville
Victorville, California
Victorville is a city located in the Victor Valley of southwestern San Bernardino County, California. According to the U.S. Census Bureau's 2010 census, the city had a population of 115,903, up from 64,030 at the 2000 census.-Geography and climate:...

, San Bernardino County, California
San Bernardino County, California
San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...

, at Cardiff
Cardiff, Maryland
Cardiff is an unincorporated community in Harford County, Maryland, United States. The population was 518 at the 2000 census. Zipcode for the area is 21160. It takes its name from the Capital city of Wales.-Geography:...

, Harford County, Maryland
Harford County, Maryland
Harford County is a county in the U.S. state of Maryland. In 2010, its population was 244,826. Its county seat is Bel Air. Harford County forms part of the Baltimore-Washington Metropolitan Area.-History:...

, and at Lamoille County, Vermont.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK