The first thing to do to check if you have real gold is to look at it. Look for particular signs that point to real gold.

Inspect the piece for official markings. A stamp will indicate either fineness (1-999 or .1-.999) or karat (10K, 14K, 18K, 22K or 24K). A magnifying glass will make this easier.
An older piece might not have a visible marking due to wear.
Counterfeit pieces can often have a marking that appears authentic; more testing may be needed either way.

2.Look for noticeable discoloration. It is important to check for discoloration in areas that face constant friction (typically around the edges).
If the gold seems to be wearing off and showing a different metal beneath it, you probably have a piece that is only gold plated.

Gold plated Tungsten Product Manufacturer & Supplier: Chinatungsten Online - http://paper-weight.cn/
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Henan Province is located in southwestern mountains chockfull barberry mineral resources in 2006 here was approved as a national geological park, but the reporter found in Xixia County, Zhao Min Mines Ltd. to explore the long-term in the name of national geological park Xixia Funiushan the illegal exploitation of molybdenum on the local ecological environment has caused damage.

HTC shares today disclose non-public offering plan to be not less than 11.34 yuan / share to include the controlling shareholder of Sichuan Hongda Industrial, including not more than 10 specific investors, non-public offering of not more than 440 million shares to raise no more than 5 billion Yuan funds for the wholly owned subsidiary of Sichuan Hongda molybdenum copper Co., Ltd. "molybdenum deep processing of copper-polymetallic resource utilization project" Building and complement the company liquidity.

CMOC listed today opened at 8.7 yuan rose 190% upside momentum since then continue to follow the highest increase of 216% at 9.48 yuan, 10:47 turnover reached 80% while the temporary suspension Times 9.33 yuan rose 211%.