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In geology, macrocrystalline rocks have crystals large enough to easily be identified by sight with the naked eye. Macrocrystalline rocks can be further subdivided into fine-grained, medium-grained, large-grained, and coarse-grained rock, where fine-grained rocks have a grain size of less than 1 mm, medium-grained rocks have a grain size of 1 to 5 mm, large-grained rocks one of 5 to 10 mm, and ...
Quartz. Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO 4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO 2. Quartz is, therefore, classified structurally as a framework silicate mineral ...
Cryptocrystalline. Cryptocrystalline is a rock texture made up of such minute crystals that its crystalline nature is only vaguely revealed even microscopically [1] in thin section by transmitted polarized light. Among the sedimentary rocks, chert and flint are cryptocrystalline. Carbonado, a form of diamond, is also cryptocrystalline.
There is a transcendental unity of apperception. Therefore, God exists. The transcendental unity of apperception is our ability to combine different experiences into a single, coherent self-awareness. It is argued therefore that in the absence of the existence of God, our belief in the possibility of us having knowledge entails its own negation.
Problem of the creator of God. In philosophy, the problem of the creator of God is the controversy regarding the hypothetical cause responsible for the existence of God, on the assumption God exists. It contests the proposition that the universe cannot exist without a creator by asserting that the creator of the Universe must have the same ...
The first theme is using legendary luminous gems to illuminate buildings, for navigation lights on ships, or sometimes as guiding lights for lost persons (Ball 1938: 498–500). In India, the earliest country in which fine gemstones were known, belief in luminous gems dates back some twenty-five centuries.
An 1856 depiction of the Sabbatic Goat from Dogme et Rituel de la Haute Magie by Éliphas Lévi. [1][2] The arms bear the Latin words SOLVE (dissolve) and COAGULA (coagulate). Baphomet is a deity that the Knights Templar were accused of worshipping [3] that subsequently became incorporated into various occult and Western esoteric traditions. [4]
A crystal oscillator is an electronic oscillator circuit that uses a piezoelectric crystal as a frequency-selective element. [1] [2] [3] The oscillator frequency is often used to keep track of time, as in quartz wristwatches, to provide a stable clock signal for digital integrated circuits, and to stabilize frequencies for radio transmitters and receivers.