The close-up view of each stone type shows a relatively true image of the crystalline structure and the colouring. This is suitable for grained slabs to a limited extend only. In regard to the colour matching, please take an original sample of the stone from your furniture store as a basis.
The rock consists almost exclusively of calcite.
That kind of limestone was generated by deposits of calcereous ooze on the sea
bed. In case the water was largely oxygen-free, organic material was conserved in
form of bitumen. Those hydrocarbons may color the actual bright limestone
completely black. Posterior tectonic movements caused fractures in the earth’s
crust which subsequently were filled by crystalline white calcite. Deposits of iron
oxids here and there give it a golden tinge.
|Structure Type||Slab with Irregular Pattern|
|Synonyms||Noir Aziza, Nero Tunis, Nero Dorato|
|Group||Original Rock Type|
|Age||300-500 million years (Precambrian)|