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Emerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium or sometimes vanadium. [2] Beryl has a hardness of 7.5–8 on the Mohs scale. [2] Most emeralds have many inclusions, [3] so their toughness (resistance to breakage) is classified as generally poor.
In a battle, Sonic the Hedgehog destroys Dr. Eggman's Energy Amplifier, powered by the seven Chaos Emeralds.This causes a huge explosion, a result of a phenomenon known as Chaos Control, which sends Sonic; Eggman and his fortress; Rouge the Bat, Cream the Rabbit and her pet Chao, Cheese; Miles "Tails" Prower and his biplane, the Tornado; Amy Rose; and Knuckles the Echidna to Station Square, a ...
Carroll Chatham. Carroll Chatham (1914–1983) was an American chemist who developed the flux method for synthesizing emeralds. He was the first person to develop a method for creating man-made emeralds that was able to make them commercially available. He founded the jewelry company Chatham which is still selling Chatham emeralds to this day.
Emerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium and sometimes vanadium. [1] Beryl has a hardness of 7.5–8 on the Mohs scale. [1] Most emeralds are highly included, [2] so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate.
Sonic Spinball. Sonic the Hedgehog Spinball, also known as Sonic Spinball, is a 1993 pinball video game developed by Sega Technical Institute and published by Sega. It is a spinoff of the Sonic the Hedgehog series. Players control Sonic the Hedgehog, who must stop Doctor Robotnik from enslaving the population in a giant pinball-like mechanism.
Gender. Male. Origin. Angel Island. Knuckles the Echidna[a] is a character from Sega 's Sonic the Hedgehog series. He is a red anthropomorphic short-beaked echidna who is Sonic 's secondary best friend and former rival. Determined and serious, but sometimes gullible, he fights his enemies using brute force and strength.
Geometra papilionaria. (Linnaeus, 1758) The large emerald (Geometra papilionaria) is a moth which is the type species for the family Geometridae. It is found throughout the Palearctic region and the Near East in and around deciduous forests, heathlands, marshland and in settlements close to woodland. The species was first described by Carl ...
They look like they’ve been plucked out of Lydia Deetz’s jewelry box in the best possible way. A spooky Headworm-themed collar bar, featuring a glittering emerald. Courtesy Fabergé ...