Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Flint was widely used historically to make stone tools and start fires. Flint occurs chiefly as nodules and masses in sedimentary rocks, such as chalks and … See more The exact mode of formation of flint is not yet clear, but it is thought that it occurs as a result of chemical changes in compressed sedimentary rock formations during the process of diagenesis. One hypothesis is … See more Mineralogy • Agate – Rock consisting of cryptocrystalline silica alternating with microgranular quartz • Chalcedony – Microcrystalline … See more Tools or cutting edges Flint was used in the manufacture of tools during the Stone Age as it splits into thin, sharp splinters called flakes or blades (depending on the … See more • Flint Architecture of East Anglia Book by Stephen Hart • Flintsource.net European Artefacts – detailed site • Flint circles and paramoudra – Beeston Bump See more WebFlint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, [1] [2] categorized as the variety of chert that occurs in chalk or marly limestone. Flint was widely used historically to make stone tools …
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WebFlint, homogeneous and isotropic (having equal properties in all directions), is the rock of first choice for toolmaking. Reasonably well distributed over much of the world, it is an impure quartz, a form of silica, usually opaque … WebNov 30, 2024 · Flint, also known as chert, is a type of sedimentary rock that has many uses. It was once commonly used to form rudimentary tools like knives and spear tips. … philly drill beat
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WebFlint, chert, and jasper are a few of the many names used for microcrystalline quartz. These names are not systematically used. Instead, their use is often based upon the background of the person speaking, … WebAug 29, 2024 · Flint Ridge flint varies greatly in its morphology and mineralogy, and occurs in four general types. Two of them are opaque, massive, white flint and porous, light-brown flint, which are impure and … WebFlint Ridge. Because of its color, hardness, and ability to take a high polish, Flint Ridge flint is one of the most coveted materials among mineral collectors and lapidarists, who produce unique, often beautiful jewelry items from this rock. Thus in 1965 the Ohio General Assembly named flint Ohio’s official gemstone. Contents1 What precious gems […] tsawataineuk first nation