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Would gabbro or obsidian make a better arrowhead?
Obsidian
What is dark glassy volcanic rock called?
obsidian
Is obsidian extrusive rock?
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
Where can you find obsidian in Indiana?
Type in "buy obsidian" in your search bar. You will be given information on several sources. Knappable obsidian sells for around $5 US per pound.
How sandstone can turn into obsidian then turn to past of a conglomerate then back to sandstone then back to obsidian?
Toast.
Is obsidian malleable?
No. Obsidian is brittle.
What is a type of obsidian?
One type of obsidian is snowflake obsidian, which is black with white mineral inclusions that resemble snowflakes.
What are the minerals in obsidian?
Obsidian is, itself, a mineral.
Is obsidian glass?
Obsidian is a natural glass.
Is obsidian a crystal?
yes obsidian is a crystal.
Is obsidian metamorphic igneous or sedimentary?
Obsidian is an igneous rock.
What is the scientific name for obsidian?
Other names for obsidian is Apache tears, volcanic glass, and Black obsidian.
What is the obsidian called when it has white stuff in it?
Snowflake Obsidian
How is obsidian dependent to minerals?
how is obsidian dependent on minerals
Are obsidian attracted to magnet?
Obsidian is not magnetic.
Should companies buy obsidian?
If their business is in dealing with obsidian products, and they do not own any obsidian mines, then yes they will need to buy it. If however they do not need obsidian then they do not have to buy it.
What is the common name for obsidian rock?
The common name for obsidian rock is volcanic glass.
