The dark gray or black variety of chert. AGID84
This term has 95 records attributed within our system.
ANE.100.2005
ANE.210.1934
GR.120a.1908
GR.66i.1905
ANE.208.1934
ANE.209.1934
E.GA.4247.1943
ANE.104f.1930
ANE.21j.1928
E.44b.1912
ANE.56.2005
ANE.69.2005
E.44e.1912
E.44d.1912
E.95k.1912
E.44g.1912
ANE.59.2005
E.95f.1912
ANE.68.2005
E.95d.1912
E.95b.1912
E.95e.1912
E.17i.1976
E.95c.1912
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