Chert
Description
A piece of chert. Half of the fragment is greens and browns silica-rich crystals. The bottom half is covered in a white rock. The fractures are easy to see in the green-brown parts.
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Object detail
Production place
Classification
Credit line
Chert
is
a
silica-rich
crystalline
sedimentary
rock.
It
can
contain
small
fossils.
It
has
a
high
level
of
silica
in
it
and
can
form
in
a
variety
of
ways.
It
varies
in
colour.
Accession number
A100.720
Collection type
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