Sclate

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Sclate
Metamorphic rock
SlateUSGOV.jpg
Slate
Composeetion
Primar quartz, muscovite/illite
Seicontar

biotite, chlorite, hematite, pyrite

Speceefic gravity: 2.7 – 2.8

Sclate is a fine-grained, foliated, homogeneous metamorphic rock derived frae an oreeginal shale-teep sedimentary rock componed o cley or volcanic ess throu law-grade regional metamorphism.