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- Conchoidal_fracture abstract "Conchoidal fracture describes the way that brittle materials break or fracture when they do not follow any natural planes of separation. Materials that break in this way include quartz, flint, quartzite, jasper and other fine-grained or amorphous materials with a composition of pure silica, such as obsidian and window glass.Conchoidal fractures can also occur in other materials under favorable circumstances. This material property was widely used in the Stone Age to make sharp tools, and minerals that fractured in this fashion were widely traded as a desirable raw material.Conchoidal fractures often result in a curved breakage surface that resembles the rippling, gradual curves of a mussel shell; the word "conchoid" is derived from the word for this animal (Greek konche). A swelling appears at the point of impact called the bulb of percussion. Shock waves emanating outwards from this point leave their mark on the stone as ripples. Other conchoidal features include small fissures emanating from the bulb of percussion.They are defined in contrast to the faceted fractures often seen in single crystals such as semiconductor wafers and gemstones, and the high-energy ductile fracture surfaces desirable in most structural applications.".
- Conchoidal_fracture thumbnail Lipari-Obsidienne_(5).jpg?width=300.
- Conchoidal_fracture wikiPageID "427862".
- Conchoidal_fracture wikiPageLength "2685".
- Conchoidal_fracture wikiPageOutDegree "33".
- Conchoidal_fracture wikiPageRevisionID "671284629".
- Conchoidal_fracture wikiPageWikiLink Amorphous_solid.
- Conchoidal_fracture wikiPageWikiLink Brittle.
- Conchoidal_fracture wikiPageWikiLink Brittleness.
- Conchoidal_fracture wikiPageWikiLink Category:Lithics.
- Conchoidal_fracture wikiPageWikiLink Category:Materials_degradation.
- Conchoidal_fracture wikiPageWikiLink Category:Mineralogy.
- Conchoidal_fracture wikiPageWikiLink Category:Stone_Age.
- Conchoidal_fracture wikiPageWikiLink Cleavage_(crystal).
- Conchoidal_fracture wikiPageWikiLink Crystal.
- Conchoidal_fracture wikiPageWikiLink Crystallite.
- Conchoidal_fracture wikiPageWikiLink Ductile.
- Conchoidal_fracture wikiPageWikiLink Ductility.
- Conchoidal_fracture wikiPageWikiLink Facet.
- Conchoidal_fracture wikiPageWikiLink Failure.
- Conchoidal_fracture wikiPageWikiLink Fissure.
- Conchoidal_fracture wikiPageWikiLink Flint.
- Conchoidal_fracture wikiPageWikiLink Flintknapper.
- Conchoidal_fracture wikiPageWikiLink Fracture.
- Conchoidal_fracture wikiPageWikiLink Frost.
- Conchoidal_fracture wikiPageWikiLink Gemstone.
- Conchoidal_fracture wikiPageWikiLink Glass.
- Conchoidal_fracture wikiPageWikiLink Jasper.
- Conchoidal_fracture wikiPageWikiLink Knapping.
- Conchoidal_fracture wikiPageWikiLink Lithic_flake.
- Conchoidal_fracture wikiPageWikiLink Mussel.
- Conchoidal_fracture wikiPageWikiLink Obsidian.
- Conchoidal_fracture wikiPageWikiLink Quartz.
- Conchoidal_fracture wikiPageWikiLink Quartzite.
- Conchoidal_fracture wikiPageWikiLink Silica.
- Conchoidal_fracture wikiPageWikiLink Silicon_dioxide.
- Conchoidal_fracture wikiPageWikiLink Stone_Age.
- Conchoidal_fracture wikiPageWikiLink Stone_tool.
- Conchoidal_fracture wikiPageWikiLink Stress_(mechanics).
- Conchoidal_fracture wikiPageWikiLink Stress_(physics).
- Conchoidal_fracture wikiPageWikiLink Wafer_(electronics).
- Conchoidal_fracture wikiPageWikiLink File:Conch_fract_glass.jpg.
- Conchoidal_fracture wikiPageWikiLink File:Lipari-Obsidienne_(5).jpg.
- Conchoidal_fracture wikiPageWikiLinkText "Conchoidal fracture".
- Conchoidal_fracture wikiPageWikiLinkText "Conchoidal".
- Conchoidal_fracture wikiPageWikiLinkText "Subconchoidal".
- Conchoidal_fracture wikiPageWikiLinkText "conchoidal fracture".
- Conchoidal_fracture wikiPageWikiLinkText "conchoidal fracturing".
- Conchoidal_fracture wikiPageWikiLinkText "conchoidal".
- Conchoidal_fracture wikiPageWikiLinkText "conchoidally".
- Conchoidal_fracture wikiPageWikiLinkText "glass-like fracture".
- Conchoidal_fracture wikiPageWikiLinkText "subconchoidal".
- Conchoidal_fracture hasPhotoCollection Conchoidal_fracture.
- Conchoidal_fracture wikiPageUsesTemplate Template:Citation_needed.
- Conchoidal_fracture wikiPageUsesTemplate Template:Refimprove.
- Conchoidal_fracture wikiPageUsesTemplate Template:Reflist.
- Conchoidal_fracture wikiPageUsesTemplate Template:Wiktionary-inline.
- Conchoidal_fracture subject Category:Lithics.
- Conchoidal_fracture subject Category:Materials_degradation.
- Conchoidal_fracture subject Category:Mineralogy.
- Conchoidal_fracture subject Category:Stone_Age.
- Conchoidal_fracture type Article.
- Conchoidal_fracture type Type.
- Conchoidal_fracture type Article.
- Conchoidal_fracture type Lithic.
- Conchoidal_fracture type Subfield.
- Conchoidal_fracture type Tool.
- Conchoidal_fracture type Type.
- Conchoidal_fracture comment "Conchoidal fracture describes the way that brittle materials break or fracture when they do not follow any natural planes of separation. Materials that break in this way include quartz, flint, quartzite, jasper and other fine-grained or amorphous materials with a composition of pure silica, such as obsidian and window glass.Conchoidal fractures can also occur in other materials under favorable circumstances.".
- Conchoidal_fracture label "Conchoidal fracture".
- Conchoidal_fracture sameAs Fractura_concoïdal.
- Conchoidal_fracture sameAs Konchoidální_lom.
- Conchoidal_fracture sameAs Fractura_concoidea.
- Conchoidal_fracture sameAs Karplik_murre.
- Conchoidal_fracture sameAs Cassure_conchoïdale.
- Conchoidal_fracture sameAs Konkoida_rupturo.
- Conchoidal_fracture sameAs Fratura_concoide.
- Conchoidal_fracture sameAs m.0278jn.
- Conchoidal_fracture sameAs Q2747476.
- Conchoidal_fracture sameAs Q2747476.
- Conchoidal_fracture wasDerivedFrom Conchoidal_fracture?oldid=671284629.
- Conchoidal_fracture depiction Lipari-Obsidienne_(5).jpg.
- Conchoidal_fracture isPrimaryTopicOf Conchoidal_fracture.