Definition
Talc carbonate is nothing but a rock sequence or a mineral composition found in metamorphic ultramafic rocks.
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
History
Origin
China, USA, Middle east
Italy
Discoverer
Unknown
Unknown
Etymology
From medieval Latin, talcum
From a Latin word tophous then in Italian tufo and finally tuff
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock