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Agate (/ ˈ æ ɡ ɪ t / AG-it) is a variety of chalcedony, [1] which comes in a wide variety of colors. Agates are primarily formed within volcanic and metamorphic rocks.The ornamental use of agate was common in ancient Greece, in assorted jewelry and in the seal stones of Greek warriors, [2] while bead necklaces with pierced and polished agate date back to the 3rd millennium BCE in the Indus ...
The agate has a hollow center, partially containing water. Enhydro agates can also contain debris or petroleum. Because the cavity is not full, the agate can produce sound from being shaken. Agates vary in size. The largest recorded agate was found in Fuxin City, China, with a diameter of 63 cm (24.8 in) and weighing 310 kg (683 lbs). [4]
The gas pockets in which the agates formed were primarily small, about 1 cm in diameter. A few Lake Superior agates have been found that are 22 cm in diameter with a mass exceeding 10 kilograms. Very large agates are extremely rare. The most common type of Lake Superior agate is the fortification agate with its eye-catching banding patterns ...
Moss agate pebble, 1 inch (25 mm) long Montana moss agate. Moss agate is a semi-precious gemstone formed from silicon dioxide.It is a form of chalcedony which includes minerals of a green color embedded in the stone, forming filaments and other patterns suggestive of moss. [1]
A Texas teen is accused of killing a classmate’s show goat by force-feeding it pesticide. Aubrey Vanlandingham, 17, is charged with cruelty to livestock animals, a felony, according to court ...
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In 2019, Brazil's figures were as follows: it was the world's largest producer of niobium (88.9 thousand tons); [2] the 2nd largest world producer of tantalum (430 tons); [3] the 2nd largest world producer of iron ore (405 million tons); [4] the 4th largest world producer of manganese (1.74 million tons); [5] the 4th largest world producer of bauxite (34 million tons); [6] the 4th largest ...
The flashy girl from Flushings has done it again! Fran Drescher stunned in head-to-toe Dolce & Gabbana at the 2025 Golden Globe Awards in Beverly Hills, Calif. on Sunday, Jan. 5.. The Nanny star ...