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Formed by rapidly cooled extrusions of magma from deep within the mantle, this basalt displays prominent phenocrysts encased in a matrix of dark grey plagioclase feldspar. Scattered throughout are noticeable greenish crystals of olivine.


One of the most robust stones available, Carbon Black Basalt, as its name suggests, has a complex dark character born of its dusky mineral composition.


The versatility of Rhodes Architectural Stone’s Carbon Black Basalt makes it an excellent choice as an architectural veneer, and is well suited for paving, cobbles, and any cut-to-size application.

Recommended Uses

Surrounds, quoins, veneer, coping/caps, sills/lintels, paving, stair blocks, carved objects.


Carbon Black Basalt may be installed in any standard setting technique - mortar or thinnest on slab, or by sand setting.

Material Specifications and Technical Data

Get access to material specifications and ASTM technical data for Carbon Black Basalt by viewing the tables below or downloading the brochure.

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