Polished Obsidian Stone - A Glimpse into Volcanic Glass Formation.
Schlüsselwörter
obsidian,
stone,
volcanic,
glasses,
black,
polished,
mineral,
lava,
igneous,
rock,
geology,
texture,
smooth,
shiny,
natural,
gemstone,
crystal,
opaque,
formation,
cooling,
surface,
dark,
macro,
closeup,
specimen,
collection,
artifact,
decorative,
element,
nature,
science,
geologic,
volcanism,
structure,
pattern,
detail,
glossy,
luster,
precious,
gem,
ancient,
history,
archaeology,
tool,
weapon,
blade,
arrowhead,
jewellery
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