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The is a museum on the subject of gold mining in ancient and modern Japan, which is located next to the Toi gold mine in the city of Toi, Shizuoka, Japan. The museum displays reconstitutions of the manufacturing process for gold during the Tokugawa era, ancient artifacts from the period, explanatory exhibitions about gold processing, and an exhibit of various gold ores from various places throughout Japan. The museum received some fame for housing the world's largest gold bar, weighing 250 kg,〔The Japan Journal: ("Three Diamonds Cast Gold-Medal Gold Bar" (November 2005) ). Retrieved on 18 August 2009〕〔The Japan Times: ("Mitsubishi makes record-size gold bar" (17 January 2005) ). Retrieved on 18 August 2009〕 and representing a value of about 1 billion yen (US$14 million). The bar obtained an official Guinness record certificate for "The largest manufactured pure gold bar":〔Guinness World Records certificate at Toi Mine Museum〕 File:Keicho_gold_coinage_Oban_Koban_Ichibuban_1601_1695.jpg|Tokugawa coinage File:Gold_30g_for_a_860kg_rock.jpg|Relative sizes of an 860 kg rock ore, and the 30 g of gold that can be extracted from it File:Toi_250kg_gold_bar.jpg|The world's largest gold bar, at 250 kg, can be seen and touched File:Small_gold_nugget_5mm_dia_and_corresponding_foil_surface_of_half_sq_meter.jpg|Explanations about gold foil ==References== 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「Toi Gold Museum」の詳細全文を読む スポンサード リンク
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