Talk:Stone: Difference between revisions

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imported>Robert W King
imported>Nereo Preto
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==Granite==
==Granite==
Granite is compressed quartz and other materials, it is not a stone itself, but is a combination of the stone. --[[User:Robert W King|Robert W King]] 08:48, 20 October 2007 (CDT)
Granite is compressed quartz and other materials, it is not a stone itself, but is a combination of the stone. --[[User:Robert W King|Robert W King]] 08:48, 20 October 2007 (CDT)
:??? er... Ok. Granite, in geology, is the name of a intrusive, igneous, acidic natural rock. E.g., "El Capitan" or the "Half Dome" at Yosemite or the "Monte Bianco / Mont Blanch" in the Alps are made of granite. But it is well possible that some engineered stone is commercially called "granite". This is a problem between rocks and building stones, so for example, commercially, "granite" includes all intrusive rocks from granites to gabbros, and some metamorphic rocks as migmatites and gneisses.
:If there are engineered stones called granites it is correct to report the fact, but we must specify how they are different from natural granite. We should probably also make distinctions between granite as a rock, as a building stone (commercial term) and as engineered stone. The plot thickens... --[[User:Nereo Preto|Nereo Preto]] 08:57, 20 October 2007 (CDT)

Revision as of 07:57, 20 October 2007

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 Definition:  Rock or a piece of rock shaped, cut, or finished for a particular purpose, especially used in construction, paving, monuments, and jewellery. [d] [e]
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Core Article

Hi Robert, "Stone" is listed under the Earth Sciences core articles. Wonna claim the point? I'm ready to OK it. --Nereo Preto 03:02, 20 October 2007 (CDT)

Yesh. I've got a bunch actually. --Robert W King 05:20, 20 October 2007 (CDT)

Granite

Granite is compressed quartz and other materials, it is not a stone itself, but is a combination of the stone. --Robert W King 08:48, 20 October 2007 (CDT)

??? er... Ok. Granite, in geology, is the name of a intrusive, igneous, acidic natural rock. E.g., "El Capitan" or the "Half Dome" at Yosemite or the "Monte Bianco / Mont Blanch" in the Alps are made of granite. But it is well possible that some engineered stone is commercially called "granite". This is a problem between rocks and building stones, so for example, commercially, "granite" includes all intrusive rocks from granites to gabbros, and some metamorphic rocks as migmatites and gneisses.
If there are engineered stones called granites it is correct to report the fact, but we must specify how they are different from natural granite. We should probably also make distinctions between granite as a rock, as a building stone (commercial term) and as engineered stone. The plot thickens... --Nereo Preto 08:57, 20 October 2007 (CDT)
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