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Because when you take chips off it, it becomes sharp. You could chip little bits off until it's the right shape, then the edges would be sharp.
Many other rocks do this, and many other rocks were used. Obsidian is the most fragile of the bunch, just it's also the sharpest. In fact, properly sharpened obsidian is sharper than steel can be.
Wiki User
∙ 16y ago
Wiki User
∙ 11y agobecause metal is obsidian
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What are the use of obsidian?
The properties of obsidian made it a valuable commodity for stone age tool makers, as a blade could be fashioned with a sharpness finer than that of any steel, down to nearly molecular thinness. Professional obsidian knappers can make surgical obsidian knives which can leave a smaller scar than steel knives. Another use of obsidian is as a stone in jewelry. Obsidian is a glasslike volcanic rock that ancient people made arrowheads and spear points from. Some of these are wonderful works of craftsmanship. It has been used to craft tools, historically. Obsidian has also been used to make jewelry.
What are every day uses of obsidian?
It can be use for jewellery and stone age arrowheads, as the obsidian was much sharper when made into a specific shape. It can be sharpened to a very thin thickness. It is very shiny and is black. This is why Obsidian is common to be used in jewellery. Obsidian is igneous rock, which means that it was formed either inside (intrusive) or outside (extrusive) of the volcano. Igneous rocks are basically cooled lava, or magma.
How do you use Obsidian in a sentence?
In the 1800's, many Native Americans would sharpen obsidian into spear tips.
Where is the sixth obsidian sphere on The Cabin?
There is no sixth Obsidian Sphere! I thought the same thing. There are only five and you need to use them to copy the shapes on the door of the blocked cave. Good luck!
When was obsidian dicovered?
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
Did Indians use water to make arrowheads?
yes
What kinds of rocks did Indians use for arrow heads?
A popular mineral that is used to make arrowheads is flint. Arrowheads may also be made by using metal razorblades.
What are the use of obsidian?
The properties of obsidian made it a valuable commodity for stone age tool makers, as a blade could be fashioned with a sharpness finer than that of any steel, down to nearly molecular thinness. Professional obsidian knappers can make surgical obsidian knives which can leave a smaller scar than steel knives. Another use of obsidian is as a stone in jewelry. Obsidian is a glasslike volcanic rock that ancient people made arrowheads and spear points from. Some of these are wonderful works of craftsmanship. It has been used to craft tools, historically. Obsidian has also been used to make jewelry.
Did native Americans use marble for arrowheads?
No, marble is difficult to find, almost impossible to shape and it does not hold a sharp edge. Flint, obsidian and chert are the main types of stone used for arrowheads - most tribes ceased production of such arrowheads as soon as white traders offered metal ones instead.
What are every day uses of obsidian?
It can be use for jewellery and stone age arrowheads, as the obsidian was much sharper when made into a specific shape. It can be sharpened to a very thin thickness. It is very shiny and is black. This is why Obsidian is common to be used in jewellery. Obsidian is igneous rock, which means that it was formed either inside (intrusive) or outside (extrusive) of the volcano. Igneous rocks are basically cooled lava, or magma.
What is obsidian used for today?
In the past, obsidian was used to make knives, arrowheads, spear points, scrapers, and many other weapons and tools. Once these discoveries were made, obsidian quickly became the raw material of preference for producing almost any sharp object. The easy-to-recognize rock became one of the first targets of organized "mining."
What crafts did paleo Indians make?
Paleo Indians made bone arrowheads called points. They learned to use flint to make tools and they learned how to use stone to make flour. With the points they made, they made spears to kill mammoths and other animals. They also used plant fibers to make nets. They even learned to plant corn.
What is the obsidian use for?
It has been used to craft tools, historically. Obsidian has also been used to make jewelry.
How does Iceland make use of all its volcanic activity?
obsidian
How do you make arrowheads?
they would use a rock to chip away at another rock to make one rock sharp
What shiny rock do native Americans use to make tools?
Obsidian
What did Indians use to make music?
Indians use there instrument to make music
