After Richard W. Hughes and Billie Hughes tried to perpetrate their fraud regarding the fake feldspar mine in Tibet (seen at left), the National Gem Testing Center of China sent a team to the claimed mine location to investigate formally. They found evidence of fraud, but no andesine mine. This proved that Richard W. Hughes and daughter Billie Hughes perpetrated fraud on the gemstone industry through these hoax expedition reports. The actual report from the National Gem Testing Center of China is below these quotes direct from the National Gem Testing Center of China:
1. "In Lhasa and Shigatse none of the people interviewed knew of the occurrence and existence of the red feldspar in Tibet. They all stated that they had neither seen nor heard of red feldspar found in Tibet."
2. "We found that the adhering materials on the surfaces of the rough red feldspar crystals were mainly glassy, enriched with copper and iron impurities, suggesting that the 'red feldspar' had been subjected to high temperature treatment with colouring elements added.."
3. "Based on our investigations, we find it hard to believe that there are gem grade feldspar deposits in the BaiLang and Jiangze areas of Tibet. "
4. "In our opinion, the red feldspar samples that we collected and recovered from the supposed mining areas during our field investigations were deliberately planted on the ground surface and within loose surface soil."