Cryptocrystalline meaning

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August undefined, 2024

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 ... Web(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

cryptocrystalline - Wiktionary

Webadjective cryptocrystalline (of rocks) composed of crystals that can be distinguished individually only by the use of a polarizing microscope 3 adjective cryptocrystalline having a crystalline structure of submicroscopic crystals 3 adjective cryptocrystalline having a microscopic crystalline structure. 1 WebApr 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 … how does anytime fitness key work

cryptocrystalline Example sentences - Cambridge Dictionary

http://www.quartzpage.de/gen_types.html Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite. These are both silica minerals, but they differ in that quartz has a trigonal crystal structure, while moganite is monoclinic. Chalcedony's standard chemical structure (based on the chemical structure of quartz) is SiO2 (silicon dioxide). WebChert 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 ... how does aortic stenosis cause heart failure

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WebExamples of how to use “cryptocrystalline” in a sentence from the Cambridge Dictionary Labs WebCarbonado, a form of diamond, is also cryptocrystalline. From Wikipedia More technically, it is a cone of force that propagates through a brittle, amorphous or cryptocrystalline … how does apay workWebcryptocrystalline (not comparable) Whose crystalline nature only becomes apparent at high levels of magnification. Translations cryptocrystalline - whose crystalline nature … photo albums 11 x 14 for sale

"WebChalcedony (chal.ced.o.ny) is a cryptocrystalline form of quartz. Cryptocrystalline stones are divided more by the character of the stone rather than its colour, such as the pattern of the crystal, the visual effect and the form that the crystal takes. ... The name onyx comes from the Greek word onychos, meaning fingernail. Black onyx has been ... " - Cryptocrystalline meaning

Cryptocrystalline meaning

Cryptocrystalline Definition & Meaning - Merriam-Webster

WebOct 8, 2024 · cryptocrystalline (cryp''-to-crys'-tal-line). (a) Said of the texture of a rock consisting of crystals that are too small to be recognized and separately distinguished … WebApr 10, 2024 · This stunning gemstone is a rare type of cryptocrystalline quartz found exclusively in Madagascar. Orca Agate is named after the Orca whale, and is believed to carry similar metaphysical properties. ... Orca Agate meaning. Orca Agate is a powerful stone that is believed to release self-doubt and promote a gentle inner peace. This …

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WebFire agate is brown, microcrystalline quartz, which has a botryoidal (grape-like) growth form. It contains layers of plate-like crystals of iron oxide (limonite) in various planes within it. The iridescent colors of red, gold, green, and rarely, blue-violet, result from interference between light rays traveling through these thin layers. WebJun 23, 2024 · Agates are cryptocrystalline quartz stones, meaning they have an internal structure full of tiny spaces, empty pockets that trap or contain various ions, molecules or atoms. Dendritic Agates can be found all over the world. They are often mined in Brazil, Uruguay, and Mexico. Chemical Composition: SiO2 (Silicon dioxide) Density: 2.64-2.69 ...

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 microscope. Cryptocrystalline is a rock texture made up of such minute crystals that its crystalline nature is only vaguely revealed even microscopically in thin section by transmitted polarized light. Among the sedimentary rocks, chert and flint are cryptocrystalline. Carbonado, a form of diamond, is also cryptocrystalline. Volcanic rocks, especially of the felsic type such as felsites and rhyolites, may have a cryptocrystalline groundmass as distinguished from pure obsidian (felsic) or tachylyte (mafi…

WebNov 20, 2024 · Jade's definition and means of identification are manifold and have evolved over the centuries. Historically, the term jade mainly referred to nephrite jade which was mined and highly prized in China for millennia. ... Nephrite is a cryptocrystalline mineral of calcium magnesium iron rich silicate with hydroxyl: Ca (Mg Fe) 5 Si 8 O 22 (OH) 2. WebThe definition of cryptocrystalline in Dictionary is as: Whose crystalline nature only becomes apparent at high levels of magnification. Meaning of cryptocrystalline for the …

Webcryptocrystalline adj (of rocks) composed of crystals that can be distinguished individually only by the use of a polarizing microscope English Collins Dictionary - English Definition …

WebCryptocrystalline. Having crystals so small that individual crystals cannot be seen under ordinary optical microscope, but are detec table by effect under cross ed polars; a full … how does apa differ from mlaWebNov 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 … how does apa reference page lookhttp://dictionary.education/english/dictionary/cryptocrystalline how does ap class workWebIt has the same chemical formula as quartz, but is cryptocrystalline, meaning that the quartz crystals comprising chert are so small that it is difficult to see them even under a microscope. Chert can be a chemical sedimentary rock, often forming as beds within limestone (Figure 5.14), or as irregular lenses or blobs (nodules). how does apartment rental insurance workWebExamples of how to use “cryptocrystalline” in a sentence from the Cambridge Dictionary Labs photo albums 4x6 amazonWebA 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. photo albums 4x6 3 ringWebOct 23, 2024 · cryptocrystalline quartz This is the classification that can sometimes also be known as Microcrystalline Quartz, or simply as Chalcedony. It includes the translucent to opaque stones such as Chalcedony itself, Carnelian, Onyx, Agate and Jasper. how does apex rp work