Results 211 to 220 of about 26,069 (224)

basalt obsidian

2014
openaire   +1 more source

Flint and obsidian

Iraq, 1989
openaire   +1 more source

obsidian cut

2009
openaire   +1 more source

flow obsidian

2009
openaire   +1 more source

Obsidians and Gemmology

The Journal of Gemmology, 1983
openaire   +1 more source

vitreous obsidian

2014
openaire   +1 more source

XII. OBSIDIAN

1956
openaire   +1 more source

snowflake obsidian

2009
openaire   +1 more source

flowering obsidian

2009
openaire   +1 more source

golden obsidian

2009
openaire   +1 more source