ORBICULAR GRANITE SLAB. ...

Description

ORBICULAR GRANITE SLAB
Mount Magnet, Australia
One of the most striking forms of granite, this material is found in very few places in the world and the location near Mount Magnet in Western Australia is the most renowned (another mine opened recently in Finland). The incredible patterning is the result of concentrically-layered spheroidal masses formed through nucleation around a grain crystal in a cooling magma chamber. This beautiful slab was cut from a single boulder and highly polished on the surface and around the edge, although it retains a natural, irregular contour. The orbicules of black, white and gray contrast beautifully with the predominantly gray granite ground, which is further highlighted by the tan blush that denotes the presence of a plagioclase feldspar. This beautiful slab would make a striking coffee table or bar top and measures 54 x 32½ x 1 inches.

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