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 …

cryptocrystalline Example sentences - Cambridge Dictionary

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. 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 ... northern beaches leisure centre townsville

Chert: Sedimentary Rock - Pictures, Definition, Formation - Geology

WebIt 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). 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. WebQuartz with microscopic crystals are called microcrystalline or cryptocrystalline. All varieties of chalcedony are microcrystalline quartz. Quartz is one of the more prevalent minerals in the earth’s crust and it can be found on all seven continents. General Information Classification Optical Properties Characteristic Physical Properties northern beaches hotels