Comes in an attractive display case. 1 Polished Face.
Location: Morton, MN
Among the oldest rocks on Earth,
About weight: 141.7 grams, size: 1 3/4" H X 1 3/16" W X 1 1/4" D
This is the exact specimen for sale.
This coarse-grained, banded metamorphic rock
is about 3.6 billion years old.
Comes with information.