Gabbro

From DwarfFortressWiki

Gabbro

▒ ▒ ▒ ▒ ▒ ▒ ▒ ● = = = ▒ ▒ ▒ ● ● = = = ▒ ▒ ● ● ● ● = = ▒ ● ● ● ● ● ● =
Uses
Masonry Stone crafting Construction
Properties
Igneous intrusive layer Material value 1
Contains
Garnierite Native gold Tetrahedrite Olivine Native platinum Serpentine Chromite Kimberlite Ilmenite Pyrolusite Hornblende Orthoclase Microcline
Wikipedia article

Gabbro is the only stone that contains kimberlite, which is the only stone that contains diamonds. Gabbro is also the only stone to contain Garnierite, the ore of Nickel.