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Risoluzione schermo: 640 x 480 800 x 600 1024 x 768 1280 x 1024 Nome utente: Password: Modo formattazione: Base  Help  Prompt  Formato: Carattere Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Colore Nero Rosso Giallo Rosa Verde Arancione Porpora Blu Beige Marrone Teal Blu scuro Castano Verde lime Messaggio: * HTML non è attivo * Il codice su forum è attivo Smiles [quote][i]Inviato in origine da feicuijade[/i] [br]According to the current definition of "[url="http://www.trustbuyus.com"]natural jade[/url]" in the academic world, in addition to the production of jade, it is also necessary to use grinding, polishing and other production techniques and symbolic use functions, the two jade products unearthed from the Xiaogushan site, although the materials It is jade, but it mainly uses the technique of making, has not used grinding and polishing technology, and its function is a tool, not a symbolic artwork, so it cannot be counted as jade in the strict sense, but they It is the earliest jade product discovered in the northeastern part of China, and it is closely related to the real jade. It can be said that it is only one step away. What is more noteworthy is that the Xinglongyu culture in the northeastern region about 8,000 years ago is considered by the academic circles to be one of the birthplaces of the world [url="http://www.trustbuyus.com/jade-pendants-c-37.html"]Jade pendants[/url], and the material of the Xinglong jade jade is the closest to the Xiuyan tremolite jade. Therefore, Xiaohushan The two jade products unearthed at the site are undoubtedly of great value in exploring the origin of Chinese jade, and can be called a new evidence of the origin of Chinese jade. [/quote]   Seleziona qui per inserire la tua firma.