Slate
A rock classification type
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About Slate
As a Commodity:
i. A fine-grained rock displaying strong slaty cleavage and hence can be split into slabs and thin plates. Most slate was formed from shale, or fine grained tuffaceous rocks during low grade regional metamorphism. Usually gray to black, sometimes green, yellow, brown, or red. Slates are composed mostly of quartz, micas and chlorite, with minor hematite, clays, and other minerals.
Ref: AGI
ii. A coal miner's term for any shale accompanying coal; also, sometimes the equivalent of bone coal.
Ref: AGI
Ref: AGI
ii. A coal miner's term for any shale accompanying coal; also, sometimes the equivalent of bone coal.
Ref: AGI
Unique Identifiers
Mindat ID:
48638
Long-form identifier:
mindat:1:1:48638:5
Classification of Slate
Sub-divisions of Slate
Synonyms of Slate
Other Language Names for Slate
German:Thonschiefer
Tonschiefer
Tonschiefer
Norwegian:Skifer
Common Associates
Associated Minerals Based on Photo Data:
| 6 photos of Slate associated with Quartz | SiO2 |
| 4 photos of Slate associated with Baryte | BaSO4 |
| 3 photos of Slate associated with Pyrite | FeS2 |
| 1 photo of Slate associated with Marble | |
| 1 photo of Slate associated with Cubanite | CuFe2S3 |
| 1 photo of Slate associated with Calcite | CaCO3 |
| 1 photo of Slate associated with Pickeringite | MgAl2(SO4)4 · 22H2O |
| 1 photo of Slate associated with Siderite | FeCO3 |
| 1 photo of Slate associated with Muscovite | KAl2(AlSi3O10)(OH)2 |
| 1 photo of Slate associated with Mica Group |
Internet Links for Slate
mindat.org URL:
https://www.mindat.org/min-48638.html
Please feel free to link to this page.
Please feel free to link to this page.
References for Slate
Reference List:
Iron County, Wisconsin, USA