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Royal jade cong is exceptionally massive, with 8.9 centimeters high and 6.5 kilograms in weight. According to museum site it is "the most impressive of all the jade cong of Liangzhu culture". [ 3 ] Because of its large weight, it has been dubbed the "king of cong ". [ 4 ]
Main jade producing countries. Jade is an umbrella term for two different types of decorative rocks used for jewelry or ornaments.Jade is often referred to by either of two different silicate mineral names: nephrite (a silicate of calcium and magnesium in the amphibole group of minerals), or jadeite (a silicate of sodium and aluminum in the pyroxene group of minerals). [1]
The earliest extant account is the Heshi (和氏, "Mr. He") chapter of the classic Hanfeizi, attributed to Han Fei (c. 280–233 BC). The Hanfeizi version involves Mr. He presenting his jade to the first three "kings" of Chu state: "King Li of Chu" (楚厲王) posthumously refers to Viscount Fenmao (r. 757–741 BCE), his brother King Wu of Chu (楚武王, r. 740–690 BCE) who was the first ...
The 6.5mm Creedmoor designated as 6.5 Creedmoor by SAAMI, and as 6,5 Creedmoor by the C.I.P. [ 4 ] is a centerfire rifle cartridge introduced by Hornady in 2007. [ 6 ] It was developed by Hornady senior ballistics scientist Dave Emary in partnership with Dennis DeMille, the vice-president of product development at Creedmoor Sports, hence the name.
The 6.5-284 has been used extensively in benchrest competitions and is known as an extremely accurate long range round. Using an improved version of the 6.5-284, Rich DeSimone set a 1,000-yard (914.4 m) world record with a 1.564-inch (39.73 mm) group. [4]
The 6.5 mm (.264 caliber) has been extremely popular in Europe and especially in the Scandinavian countries and this trend continues today. [5] The 6.5×52mm Carcano, 6.5×53mmR (.256 Mannlicher), 6.5×54mm Mannlicher-Schönauer, 6.5×55mm Swedish Mauser, 6.5×58mmR Krag–Jørgensen and the 6.5×58mm Portuguese are among these cartridges of originally military European origin.
In 2018, the tighter C.I.P. chamber (6,5 × 55 SE) was banned from competitions in the Scandinavian shooting associations on the grounds of competitive equity and safety. [10] Since 2020, regulations changes in Germany resulted in new SKAN barrels manufactured by SIG Sauer being be marked "6,5 × 55 SE, approved for SKAN".
The 6.5mm Grendel is an intermediate cartridge jointly designed by British-American armorer Bill Alexander, competitive shooter Arne Brennan (of Houston, Texas) and Lapua ballistician Janne Pohjoispää, as a low-recoil, high-precision rifle cartridge specifically for the AR-15 platform at medium/long range (200–800 yard).