Iron and magnesium typically give the obsidian a dark green to brown to black color. While pure obsidian is always dark in appearance, the color varies depending on the presence of impurities. Tektites were once thought by many to be obsidian produced by lunar volcanic eruptions, though few scientists now agree with this theory. The relatively inexpensive obsidian scalpel is a good substitute for an expensive diamond knife. It is ideal for applications where an extremely fine cutting action is required or where trace metals from ordinary scalpel blades cannot be tolerated. The breakdown of obsidian is accelerated by the presence of water. Obsidian is a type of volcanic glass that produces a much finer blade than conventional steel. It is sometimes classified as a Mineraloid because obsidian is metastable at the earth's surface (over time the glass becomes fine-grained mineral crystals).
Its composition is very similar to that of granite and rhyolite. A well-crafted Golden Sheen Obsidian Knife has a cutting edge many times sharper than high-quality steel blades. Obsidian is mineral-like, but not a true mineral because it is not crystalline. While a rock like basalt is dark because of ferromagnesian enrichment, obsidian consists mainly of silicon dioxide, usually 70% or more.
Because of the lack of crystal structure, obsidian blade edges can reach almost molecular thinness, leading to its ancient use as arrowheads and its modern use as surgical scalpel blades. It is commonly found within the margins of felsic lava flows, where cooling is more rapid. 01843 821 311 email protected Holiday homes at Double doors open. His family and friends remain hopeful that Obsidian will one day reject the evil that has consumed him.Obsidian is a rock which is a type of naturally occurring glass, produced by volcanoes (igneous origin) when a felsic lava cools rapidly and freezes without sufficient time for crystal growth. Under the mentorship of Ian Karkull, an age-old Justice Society nemesis, Obsidian has fought numerous heroes, and also partnered with the princes of darkness Dark Lord Mordru and Eclipso. disbanded, he waged a one-man war against his biological and adoptive fathers. After many of his teammates were killed and Infinity, Inc. Obsidian's connection with the shadow realm (Shadowlands) and his experience of seeing the darkness within the human soul caused him to go gradually insane. As Obsidian, he possesses superstrength and supervitality, can float weightlessly, and delights in showing his enemies their own dark side. Todd can merge his body with his own shadow, becoming either a three-dimensional shadow form or a two-dimensional silhouette. Together they became Jade and Obsidian, founding members of the hero group Infinity, Inc., which comprised those heroes who continued the legacy of the Justice Society of America. 6 1/2 inches A very nice lace and red obsidian blade hafted to a one of a. Raised in Milwaukee by abusive foster parent James Rice, the teenage Todd resolved to become a hero when he discovered both his “shadow powers” and his long-lost twin, Jennie-Lynn Hayden, with whom he can communicate telepathically. Triple flow obsidian Such a nice neck knife. Unbeknownst to him, Todd Rice was the child of Alan Scott, the original Green Lantern.
Introduced in All-Star Squadron #25 (1983) in a story scripted by Roy Thomas and penciled by Jerry Ordway, the living shadow Obsidian joins the list of heroes who have turned to the dark side.
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