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Bahia Blue

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.

Petrography

Rocks are described as foyaites when they - as a result of only small quantities of silicic acid being present - contain no quartz and only few feldspars. In the case of the igneous Azul Bahia, the feldspars are partially replaced by the blue mineral sodalite; quartz is absent. The deposited sodalite crystals give this exclusive stone its characteristic deep blue colouring. Unfortunately, this colouring blue mineral is sensitive also to weak acids (carbonic acid). Grey discolouring and matt marks may occur in the polish. 

Petrogenesis

Azul Bahia arose from a magma, containing only small quantities of silicic acid, that solidified in the earth crust. As a consequence of the long cooling processes and following assemblage crystallisation of like molecules, the large sodalite crystals were able to build.

Price group 6
Colour blue
Hardness Hard Stone
Structure Type Slab with Irregular Pattern
Outdoor conditionally suitable
Synonyms Azul Bahia
Group Granite
Petrographic Assignment Granit/Granite
Age 1.2 billion years (Precambrian)
Deposit Brasilien
Novelty No

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