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Obsidian (/ ə b ˈ s ɪ d i. ən, ɒ b-/ əb-SID-ee-ən ob-) [5] is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth. It is an igneous rock . [ 6 ]
Like all types of glass, it is a state of matter intermediate between the closely packed, highly ordered array of a crystal and the highly disordered array of liquid. [1] Volcanic glass may refer to the interstitial material, or matrix, in an aphanitic (fine-grained) volcanic rock, or to any of several types of vitreous igneous rocks.
Steven Universe is an American animated television series created by Rebecca Sugar and produced by Cartoon Network Studios. The series focuses on the adventures of the Crystal Gems—magical alien warriors who protect the Earth from their own kind—and the humans they interact with in the fictional town of Beach City.
Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem , jewel , precious stone , semiprecious stone , or simply gem ) is a piece of mineral crystal which, when cut or ...
Let's Be Heroes premiered on Cartoon Network on August 1. [ 5 ] [ 8 ] In 2018, he appeared in the first season of a podcast entitled Drawn: The Story of Animation , from Cartoon Network and HowStuffWorks, which provided listeners with a behind-the-scenes perspective on animation from voice actors, historians, and creators of animated series.
The Dreamstone is a British animated television series that aired from 1990 to 1995, with four series and 52 episodes. The series' original concept and artwork was created by Michael Jupp, and it was written by Sue Radley and Martin Gates and produced by Martin Gates Productions (MGP) for a wholly-owned subsidiary of Central, a part of Independent Television, and FilmFair.
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A mineraloid is a naturally occurring substance that resembles a mineral, but does not demonstrate the crystallinity of a mineral. Mineraloid substances possess chemical compositions that vary beyond the generally accepted ranges for specific minerals, for example, obsidian is an amorphous glass and not a true crystal; lignite is derived from the decay of wood under extreme pressure ...