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Bardiglio

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

Bardiglio is an old denomination for grey-coloured marble from the Carrara area. These are very fine-grained carbonate rocks with an average grain size of 0.5 mm. Enrichments of graphite (generated from organic carbon) cause the in intensity varying grey shade. In the light to dark-grey stria-clouded surfaces appear white veins free from graphite, as well as dark-grey to black structures. 

Petrogenesis

The marble region around Carrara has been generated by metamorphosis of a limestone massif with inclusions of organic components (dead animal and plant remnants). Over the millions of years, the limestone has been re-crystallised to marble. The grey-colouring graphite inclusions have been generated from the organic components in finest and regionally different concentrations.

Hardness Soft Stone
Structure Type Slab with Irregular Pattern
Synonyms Bardiglio Carrara, Gray Bardiglio
Group Metamorphite
Petrographic Assignment Marble
Age 450 Million years (Jurassic)
Colouring Minerals Carbonate, coloured in grey by graphite
Average Hardness Approx. 3 (according to Mohs’s hardness scale 1-10)
Deposit Italy near Carrara