Cryptocrystalline is a rock texture made up of such minute crystals that its crystalline nature is only vaguely revealed even microscopically in thin ...
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Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite. These are both silica minerals, but they differ ...
Chert is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2).
cryptocrystalline (countable and uncountable, plural cryptocrystallines). (petrology) A rock of this kind. Categories: English terms prefixed with crypto- ...
Cryptocrystalline is a rock texture that is finely crystalline. It's made of such minute crystals that its crystalline nature is only vaguely revealed even ...
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Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or ...
... cryptocrystalline. Macrocrystalline or phaneritic texture is common in intrusive igneous rocks that cooled slowly enough for crystal growth. Pegmatites ...
is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel. Its color is normally apple-green, but ...
More technically, it is a cone of force that propagates through a brittle, amorphous or cryptocrystalline solid material from a point of impact. From. Wikipedia.
Cryptocrystalline Cryptocrystalline is a rock texture which is so finely crystalline ... It uses material from the Wikipedia article "Cryptocrystalline". A list ...