Definition
Talc carbonate is nothing but a rock sequence or a mineral composition found in metamorphic ultramafic rocks.
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite
History
Origin
China, USA, Middle east
Italy
Discoverer
Unknown
Unknown
Etymology
From medieval Latin, talcum
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Family
Group
-
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Medium Grained Rock, Opaque Rock