What are obsidian knives used for?

Obsidian is not particularly hard (unlike diamond), it's just capable of being very sharp. Obsidian knives have however been used in medical procedures where very precise cutting is required and where laser surgery is not available.
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What was the obsidian knife used for?

It could even have been a form of emergency surgery for battle wounds. But while there is still conjecture about the real reasons behind the mysterious procedure, what is known is that the implement often used to carry out the primitive surgery was made from one of the sharpest substances found in nature: obsidian.
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How practical is an obsidian knife?

The main and only benefit of an obsidian blade is its potential for sharpness. To be more specific, if you placed the sharpest and highest quality carbon steel blade under an electron microscope, it will look irregular and jagged. An obsidian blade under that same microscope would be perfectly smooth and even.
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When were obsidian knives used?

Excavations of archaeological sites dating to the Paleolithic and Neolithic periods revealed knives for surgical use as early as 10,000–8,000 BC. Blades were initially composed of flint, jade, and obsidian, with specific pieces chosen for their sharp edges.
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Is obsidian knife expensive?

The relatively inexpensive obsidian scalpel is a good substitute for an expensive diamond knife. Cautionary note: Obsidian is a very fragile material. Great care should be taken not to exert any lateral pressure on the blade during cutting. Each blade is hand-fashioned, so sizes, shapes and points will vary.
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Worlds Sharpest Knife Obsidian vs 60,000 PSI Waterjet



Are obsidian knives good for cooking?

Obsidian knives are quite delicate and tend to be a little brittle, so they're probably not your best choice for the rough and tumble of a kitchen, particularly where they might strike something hard. Obsidian is not particularly hard (unlike diamond), it's just capable of being very sharp.
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Is obsidian sharper than diamond?

Surprisingly, the edge of a piece of obsidian is superior to that of a surgeon's steel scalpel. It is 3 times sharper than diamond and between 500-1000 times sharper than a razor or a surgeon's steel blade resulting in easier incisions and fewer microscopic ragged tissue cuts.
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Can obsidian cut through DNA?

They are used are used in modern medicine because the sharp blades create incisions which heal faster.
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Is obsidian still used today?

Today, obsidian still has important uses. Its smooth, glassy texture makes it popular as a raw material used to make jewelry. From reflective beads to interesting gemstones, obsidian makes beautiful jewelry. Unfortunately, it is not very hard, which makes it easy to scratch and break.
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Is obsidian sharper than razor?

Obsidian Sharpness Results and Razor Blade Comparison

The results are in and the obsidian was almost twice as sharp as the brand new utility blade. It only took 134 grams of force to cut the test media vs. 210 grams to cut the media with the utility knife blade.
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Is obsidian knife good?

Short answer: No. Long answer: obsidian is a very hard and brittle material. This means that it will break easily, but can also be made extremely sharp. In fact, obsidian arrowheads and knives are some of the sharpest in the world.
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What is the sharpest material on earth?

The sharpest object ever made is a tungsten needle that tapers down to the thickness of a single atom. It was manufactured by placing a narrow tungsten wire in an atmosphere of nitrogen and exposing it to a strong electric field in a device called a field ion microscope.
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Are obsidian blades used in surgery?

Lee A. Green, associate professor of family practice at the Medical Center, uses obsidian knives for removing moles and repairing torn earlobes. The black volcanic glass is up to 100 times sharper and much smoother than stainless steel scalpels.
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What is the sharpest knife in the world?

Obsidian knife blades: overkill for slicing your sandwich. The thinnest blades are three nanometres wide at the edge – 10 times sharper than a razor blade. These are made by flaking a long, thin sliver from a core of obsidian (volcanic glass).
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Is obsidian used in eye surgery?

This month, Hardenbergh plans to begin using obsidian blades in a series of eye operations, primarily cataract procedures. Obsidian is a relatively rare product of volcanic eruptions. "It requires very specific conditions to form," Sheets says.
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Can obsidian blade cut metal?

Short answer: No. Long answer: obsidian is a very hard and brittle material. This means that it will break easily, but can also be made extremely sharp. In fact, obsidian arrowheads and knives are some of the sharpest in the world.
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Can you carve obsidian?

Obsidian can be used to make extremely sharp knives, and obsidian blades are a type of glass knife made using naturally occurring obsidian instead of manufactured glass. In fact it was used even to carve stone.
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Is obsidian toxic?

Is Obsidian Dangerous? While obsidian is powerful, it is not dangerous. The only potential; danger that comes from this particular stone is in its rough form because it can have very sharp edges. In the past it has been used for blades and heads of arrows, but beyond this it is a safe stone for the most part.
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How can you tell if obsidian is real?

Examine the obsidian's general presence. It has a distinctive appearance of smooth glass. Obsidian is a frozen liquid that contains small amounts of mineral impurities. See the color Because pure obsidian is usually dark, on rare occasions it may also be almost white.
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How much does obsidian cost?

The price of obsidian varies between $2.00 and $100.00. For unprocessed obsidian, the wholesale value is between $5.00 and $10.00 per kilogram.
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Is obsidian knife durable?

Short answer: No. Long answer: obsidian is a very hard and brittle material. This means that it will break easily, but can also be made extremely sharp. In fact, obsidian arrowheads and knives are some of the sharpest in the world.
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Is obsidian rare?

Occurrence of Obsidian

It is confined to areas of geologically recent volcanic activity. Obsidian older than a few million years is rare because the glassy rock is rapidly destroyed or altered by weathering, heat, or other processes.
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Is obsidian fragile?

Obsidian is brittle, and cannot be carved, but when chipped the broken edge can be sharper than surgical steel, although easily broken. Both because of its wonderful properties as a blade and its unusual shiny black color, it was much valued through the end of the stone age.
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