Archello Awards 2026 · Enter your projects before 30 September 2026
Archello Awards 2026 · Enter your projects before 30 September 2026

Grey granite

An overview of projects, products and exclusive articles about grey granite

Product • By Brachot: Natural Stone, Quartz & PorcelainTarn Granite by Granitarn

Tarn Granite by Granitarn

Tarn granite is a dense, hard-wearing French natural stone quarried by Granitarn from three quarries in the Sidobre massif, southern France: Bousquet (Tarn Fin Grain), Les Vergnes (Tarn Gros Grain), and Lac Haut (Tarn Royal and Tarn Fin Grain). Granitarn controls the full chain from extraction to distribution at its production site in Burlats. The stone is composed of alkaline and plagioclase feldspars, grey quartz, and black biotite, resulting in a characteristic white-to-grey palette with natural variation in grain and colour. Tarn Royal presents as a darker grey with a medium-to-large grain. All three varieties offer exceptional mechanical performance: compressive strength exceeding 200 MPa, frost resistance across more than 240 cycles,... More

Product • By MarshallsPropspero Granite

Propspero Granite

Prospero Granite is a durable, hard-wearing medium grey stone. Like all Marshalls’ granites, it features sawn sides and is available in flamed, fine-picked and polished finishes.   It is available for all product areas such as paving, setts, kerbs, tactile, steps, water management, street furniture or other bespoke specialised masonry items such as veneers for planters or furniture.   Prospero flame textured or fine picked granite is suitable for both pedestrian or vehicular trafficked areas. Its darker polished version can complement any public space as street furniture, copings and masonry elements.   All Marshalls Granites are fully tested to the appropriate standards in the UK and are all CE marked in accordan... More