Definition
It is a metamorphic magnesium rich rock because it is composed of the mineral talc
During the impact melted material forming a breccia containing glass and crystal or lithic fragments together form Suevite rock.
History
Origin
USA
Canada, Germany
Discoverer
Unknown
Unknown
Etymology
From 17th century, because of its greasy feel and use like a soap
No etymologies found
Class
Metamorphic Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock