Cryptocrystalline meaning
WebA thin, oxidised layer on the outside of the nodules is usually different in colour, typically white and rough in texture. The nodules can often be found along streams and beaches . Flint breaks and chips into sharp-edged pieces, making it useful in constructing a variety of cutting tools, such as knife blades and scrapers. WebCryptocrystalline. (Geol)Indistinctly crystalline; -- applied to rocks and minerals, whose state of aggregation is so fine that no distinct particles are visible, even under the …
Cryptocrystalline meaning
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WebMeanings of cryptocrystalline. a. - Indistinctly crystalline; -- applied to rocks and minerals, whose state of aggregation is so fine that no distinct particles are visible, even under the … Webadjective cryptocrystalline (of rocks) composed of crystals that can be distinguished individually only by the use of a polarizing microscope 3 adjective cryptocrystalline …
Web3.3.3.3.1.4.2 Disintegration Zone. The rock is gray-brown basic basalt, and predominantly composed of plagioclase and pyroxene and secondarily cryptocrystalline with porphyritic structure. The phenocrysts are dominated by plagioclase and pyroxene minerals. Locally, a small quantity of vesicles are found in cores, and microfractures are ... WebThe definition of cryptocrystalline in Dictionary is as: Whose crystalline nature only becomes apparent at high levels of magnification. Meaning of cryptocrystalline for the …
WebMeaning. Dendritic Agates get their name from the Greek word “Dendron” which means “tree” and originally obtained their name from a Greek philosopher who discovered it over 2,000 years ago in the third century B.C. along the Achates River, modernly known as Dirillo River. The cryptocrystalline patterns that are present in the Tree Agate resemble that … WebFlint and chert are cryptocrystalline, composed of tiny needlelike quartz crystals; rhyolite and basalt can also be cryptocrystalline, composed of larger quartz crystals combined with other nonsilica mineral crystals; and obsidian, or volcanic glass, is composed of a combination of amorphous silica and nonsilica minerals.
WebThe meaning of CRYPTOCRYSTALLINE is having a crystalline structure so fine that no distinct particles are recognizable under a microscope. How to use cryptocrystalline in a sentence. having a crystalline structure so fine that no distinct particles are recognizable …
WebNov 4, 2011 · Strictly spoken, cryptocrystalline varieties don't count as minerals, they are so-called textural varieties of quartz, and more similar to rocks (like marble or quartzite). They contain relatively large amounts of other silica … canfield diet chocolate fudge sodaWebQuartz with microscopic crystals are called microcrystalline or cryptocrystalline. All varieties of chalcedony are microcrystalline quartz. Quartz is one of the more prevalent … fitb earningsWebcryptocrystalline adj (of rocks) composed of crystals that can be distinguished individually only by the use of a polarizing microscope English Collins Dictionary - English Definition … canfield doctor arrestedWebApr 11, 2024 · What is the Meaning of Black Chalcedony? ... Chalcedony has two main types – cryptocrystalline and macrocrystalline. Cryptocrystalline has tiny crystals that need a microscope to see, while macrocrystalline has bigger crystals that can be seen without a microscope. Examples of cryptocrystalline chalcedony are agate, onyx, and … fitb earnings callWebChert is a sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO 2 ). It occurs as nodules, concretionary masses, and as layered deposits. Chert breaks with a conchoidal fracture, often producing very sharp edges. Early people took advantage of how chert breaks and used it to fashion ... fitbeansWeb(petrology) Whose crystalline nature only becomes apparent at high levels of magnification. Wiktionary Advertisement noun (petrology) A rock of this kind. Wiktionary Advertisement Other Word Forms of Cryptocrystalline Noun Singular: cryptocrystalline Plural: cryptocrystallines Origin of Cryptocrystalline crypto- + crystalline From Wiktionary canfield dmv driving testWebCryptocrystalline silica, such as chert, or flint, with this material property were widely sought after, traded, and fashioned into sharp tools in the Stone Age. 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 ... canfield diet chocolate