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  2. Volcanic glass - Wikipedia

    en.wikipedia.org/wiki/Volcanic_glass

    Magma rich in silica and poor in dissolved water is most easily cooled rapidly enough to form volcanic glass. As a result, rhyolite magmas, which are high in silica, can produce tephra composed entirely of volcanic glass and may also form glassy lava flows. [2] Ash-flow tuffs typically consist of countless microscopic shards of volcanic glass. [3]

  3. Unusual eBay listings - Wikipedia

    en.wikipedia.org/wiki/Unusual_eBay_listings

    Bridgeville, California (population 25) was the first town to be sold on eBay in 2002, and has been up for sale three times since. [1] In January 2003, Thatch Cay, the last privately held and undeveloped U.S. Virgin Island, was listed for auction by Idealight International. The minimum bid was US$3 million and the sale closed January 16, 2003. [2]

  4. Tachylite - Wikipedia

    en.wikipedia.org/wiki/Tachylite

    Tachylite from Kīlauea volcano in Hawaii (view is about 9 cm across) Tachylite (/ ˈ t æ k ə l aɪ t / TAK-ə-lyte; also spelled tachylyte) is a form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. It is a type of mafic igneous rock that is decomposable by acids and readily fusible.

  5. Obsidian - Wikipedia

    en.wikipedia.org/wiki/Obsidian

    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 ]

  6. Iceland volcano near Reykjavik erupts for 10th time in 3 ...

    www.aol.com/iceland-volcano-near-reykjavik...

    A volcano near Iceland's capital Reykjavik in the country's southwestern region erupted for the tenth time in three years on Wednesday, local authorities reported.. The country's meteorological ...

  7. Pumice - Wikipedia

    en.wikipedia.org/wiki/Pumice

    Pumice is composed of highly microvesicular glass pyroclastic with very thin, translucent bubble walls of extrusive igneous rock.It is commonly [4] but not exclusively of silicic or felsic to intermediate in composition (e.g., rhyolitic, dacitic, andesite, pantellerite, phonolite, trachyte), but basaltic and other compositions are known.

  8. 10 of the Most Expensive Items Ever Sold on eBay

    www.aol.com/10-most-expensive-items-ever...

    1. Gigayacht. Sold for: $168 million Roman Abramovich, a Russian billionaire, must have been staring at an empty dock for a while now, because the 168 milly he shelled out for a 400-foot yacht is ...

  9. Tephra - Wikipedia

    en.wikipedia.org/wiki/Tephra

    In Asia, several volcanic eruptions are still influencing local cultures today. In North Korea, Paektu Mountain, a stratovolcano, first erupted in 946 AD and is a religious site for locals. It last erupted in 1903. In 2017, new fossil evidence was discovered that determined the date of Paektu Mountain's first eruption, which had been a mystery.