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Talc carbonate is nothing but a rock sequence or a mineral composition found in metamorphic ultramafic rocks.
From medieval Latin, talcum
Fine Grained Rock, Opaque Rock
Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine
From the Norwegian name for Norway, Norge
Coarse Grained Rock, Opaque Rock