Definition
Definition
It is a metamorphic magnesium rich rock because it is composed of the mineral talc
History
Origin
USA
Discoverer
Unknown
Etymology
From 17th century, because of its greasy feel and use like a soap
Class
Metamorphic Rocks
Sub-Class
Durable Rock, Soft Rock
Family
Group
Not Applicable
Other Categories
Fine Grained Rock, Opaque Rock