Slate is a medium grained to coarse grained rock with medium to high crystal and expressed great slate, after which it got its name. Minerals, they dominate muskovit, talc, chlorite, and other biotit. Name the receive leading mineral or minerals which dominate: mikashisti (if dominated by mica) hloritski shale, shale etc. talkotni. Quartz as a regular ingredient can ever dominate and (quartz-mikashisti, quartz-schist hloritski etc..).
For more information of our material Gold Slate read the report prepared by the Construction Institute - Skopje.