| Country of Origin | United States |
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Check the listing for details. SILICATE GOLD QUARTZ SPECIMEN .64 GRAMS OREGON GOLD AND QUARTZ. Made in United States. Listed at 65.00 USD. Gold (Au) found in nature is never pure 24K. The dense host rock is classic silicate quartz. Californians were fortunate in that most gold ores mined were what is known as "free-milling". There were exceptions.