Other names for obsidian is Apache tears, volcanic glass, and Black obsidian.
Obsidian is a natural glass.
The scientific name of the gigantosaurus is Gigantosaurus megalonyx.
No
Mostly from the Aztec city-states of Pachuca and Otumba. Pachuca's greenish obsidian was considered better quality, and was favored, but Otumba's greyish obsidian was also in common demand.
In some very rare instances, obsidian can be nearly colorless, but normally it is brown to black.
The common name for obsidian rock is volcanic glass.
obsidian
Obsidian.
Obsidian, basalt, andesite, pumice.
obsidian knife
Obsidian
Examples of igneous rocks are pumice, obsidian, basalt, and rhyolite.
One word for this is obsidian. Obsidian is a gorgeous hard stone, usually but not always black, and sometimes with iridescent, almost opalescent highlights. Tachylite is also a volcanic glass of basaltic composition.
The name for black glass is obsidian. It is a naturally occurring volcanic glass formed from lava that cools rapidly. Obsidian is typically black in color, but may also have hints of other colors like brown, gray, or green.
No. Obsidian is brittle.
obsidian is one of them
One type of obsidian is snowflake obsidian, which is black with white mineral inclusions that resemble snowflakes.