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2. Macuahuitl - Wikipedia

   en.wikipedia.org/wiki/Macuahuitl

   A macuahuitl ([maːˈkʷawit͡ɬ]) is a weapon, a wooden club with several embedded obsidian blades. The name is derived from the Nahuatl language and means "hand-wood". [2] Its sides are embedded with prismatic blades traditionally made from obsidian, which is capable of producing an edge sharper than high quality steel razor blades.

3. Obsidian - Wikipedia

   en.wikipedia.org/wiki/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. Obsidian is used by some surgeons for scalpel blades, although this is not approved by the US Food and Drug Administration (FDA) for use on humans. [59]

4. Scalpel - Wikipedia

   en.wikipedia.org/wiki/Scalpel

   A scalpel, lancet, or bistoury is a small and extremely sharp bladed instrument used for surgery, anatomical dissection, podiatry and various handicrafts. A lancet is a double-edged scalpel. Scalpel blades are usually made of hardened and tempered steel, stainless steel, or high carbon steel; in addition, titanium, ceramic, diamond and even ...

5. Prismatic blade - Wikipedia

   en.wikipedia.org/wiki/Prismatic_blade

   Prismatic blade. In archaeology, a prismatic blade is a long, narrow, specialized stone flake tool with a sharp edge, like a small razor blade. [1] Prismatic blades are flaked from stone cores through pressure flaking or direct percussion. [2] This process results in a very standardized finished tool and waste assemblage.

6. Microblade technology - Wikipedia

   en.wikipedia.org/wiki/Microblade_technology

   19000 year old microblades found at Fukui cave in Japan. Microblade technology is a period of technological microlith development marked by the creation and use of small stone blades, which are produced by chipping silica-rich stones like chert, quartz, or obsidian. Blades are a specialized type of lithic flake that are at least twice as long ...

7. Obsidian use in Mesoamerica - Wikipedia

   en.wikipedia.org/wiki/Obsidian_use_in_Mesoamerica

   Obsidian is a naturally formed volcanic glass that was an important part of the material culture of Pre-Columbian Mesoamerica. Obsidian was a highly integrated part of daily and ritual life, and its widespread and varied use may be a significant contributor to Mesoamerica's lack of metallurgy.

8. Diamond knife - Wikipedia

   en.wikipedia.org/wiki/Diamond_knife

   Diamond knife blade. A diamond knife is a very sharp knife in which the edge is made from diamond, invented by Humberto Fernández-Morán in 1955. [1][2] Diamond knives are used for medical and scientific applications where an extremely sharp and long-lasting edge is essential. The knives are very expensive to purchase, depending on the quality ...

9. Blade (archaeology) - Wikipedia

   en.wikipedia.org/wiki/Blade_(archaeology)

   Blade (archaeology) In archaeology, a blade is a type of stone tool created by striking a long narrow flake from a stone core. This process of reducing the stone and producing the blades is called lithic reduction. Archaeologists use this process of flintknapping to analyze blades and observe their technological uses for historical purposes.