The first use of obsidian from the Anatomically Modern Humans (our species) seems to have happened about 125,000 years ago, on the shores of the Red Sea (Walter et al., Nature 405, 2000).
massimo rapisarda
it was used as a weapon for hunting
One type of obsidian is snowflake obsidian, which is black with white mineral inclusions that resemble snowflakes.
No. Obsidian is brittle.
Obsidian is not magnetic.
how is obsidian dependent on minerals
The common name for obsidian rock is volcanic glass.
Henry Russell dicovered Triton
he dicovered what was onside the atom he dicovered what was onside the atom
madam curie dicovered gamma rays with the help of his husband.....
no one.......
1668
1755
2010
india
In 1898
Galileo
One type of obsidian is snowflake obsidian, which is black with white mineral inclusions that resemble snowflakes.
No. Obsidian is brittle.