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Tiberium, known as Ichor to the Scrin, is a fictional substance that is central to the plot of much of the ''Command & Conquer'' series of real-time strategy computer games. Within each title set in the Tiberium story arc (''Tiberian Dawn'', ''Tiberian Sun'', ''Renegade'', ''Tiberium Wars'', ''Tiberian Twilight'', and their expansion packs), the Tiberium crystals represent both the tools and spoils of war and are used by players to purchase new units and buildings, with each of the series' factions either directly or indirectly battling for control over the crystals. Tiberium has extraterrestrial origins and comes in a variety of forms, mostly the common green crystal but also the more rare blue crystals, the extremely rare red crystals, and in "veins". It was also demonstrated in a liquid form by the time of Tiberium Wars. Parts of the chemical composition of tiberium remain unknown. Tiberium is presented as a double-edged sword within the context of the story arc of the respective video games. While it is the greatest mineral resource ever encountered, conveniently gathering many potent elements into an easily harvestable form, it also brings with it considerable hazards: areas rich with the rapidly spreading Tiberium substance are eventually exhausted of their native ecosystems, and become too toxic to support normal carbon-based life. In the context of the gameplay, Tiberium can also be seen this way with its obvious tactical advantage as a resource, and its destructive effect on infantry, sometimes transmuting them into destructive "Visceroids". Tiberium is a commodity, with everything that one builds in the game costing Tiberium-based credits. It can appear anywhere on Earth, but spreads much more slowly in areas of extreme cold climate. In Tiberian Dawn and Tiberian Sun, it will spread very slowly in-game but primarily comes from special Tiberium-generating ''Blossom Trees'', infested trees that release Tiberium spores into the air; in Tiberium Wars, these trees are replaced by ''Tiberium Fissures'' in the Earth's crust, and Tiberium will not spread outside a certain radius of these fissures. ==Etymology== The substance is named as such because it was first discovered near the river Tiber in Italy. Kane, who claims it was in fact the Brotherhood who first discovered Tiberium, states that he himself named it after Tiberius Julius Caesar Augustus.〔EVA: Tiberium is named after the Tiber river in Italy where it was first discovered. Kane: Discovered by the Brotherhood, that is. And I named it after Tiberius Drusus Ceasar. (''Command & Conquer'') Westwood Studios, 1995〕 The Scrin name of Tiberium, Ichor, comes from Greek mythology, which is the substance that flows in the gods' veins. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「tiberium」の詳細全文を読む スポンサード リンク
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