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Volcanic glass can refer to any of several types of vitreous igneous rocks. Most commonly, it refers to:
Additional recommended knowledge
Other types of volcanic glass include:
- Pumice, which is considered a glass because it has no crystal structure.
- Tachylite (also spelled tachylyte), a basaltic glass with relatively low silica content.
- Sideromelane, a less common form tachylyte.
- Palagonite, a basaltic glass with relatively low silica content.
- Hyaloclastite, a hydrated tuff-like breccia of sideromelane and palagonite.
- Pele's hair, threads or fibers of volcanic glass, usually basaltic.
- Pele's tears, tear-like drops of volcanic glass, usually basaltic.
- Limu o Pele (Pele's seaweed), thin sheets and flakes of brownish-green to near-clear volcanic glass, usually basaltic.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Volcanic_glass". A list of authors is available in Wikipedia.
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