Distinctive
features:
Fine to
coarse-grained granoblastic that effervesces
in dilute hydrochloric acid. Often banded
with various colours and sometimes veined.
Colour:
Variable: white:
cream, grey, red, green and often streaky
with light and dark patches.
Texture and
granularity:
Fine to
coarse-grained, granoblastic.
Composition:
Calcium carbonate.
Field
associations:
In zones of
regionally metamorphosed limestone.
Varieties:
Many, depending on the colour and banding,
e.g. Connermara marble, which is pale green.