Vintage Rare Chinese Hubei Double Strand Turquoise Mineral, and Sterling Silver Necklace. This is a very awesome Chinese Turquoise Necklace. It has many stones that are a Robins Egg Blue which are highly desirable. There are gorgeous shades of green, teal, brown, and black. Although, I have seen some Chinese Hubei Turquoise Necklaces for sale lately I have not seen one specifically like this with the Minerals as well and that is a Double Strand. The stones have a lot of beautiful color variations. This necklace has no known flaws and may show very minor signs of wear due to normal use. It is marked EA925 China on the Hooked Clasp which indicates that it is Sterling Silver and genuine Chinese Hubei Turquoise. The first strand measures 17 1/2 inches and the Second strand measures 19 inches. For a period of time North American Turquoise was abundant and somewhat inexpensive but then mines started to close and prices increased. At least one major Hubei mine has closed in the last five years. At the same time, Turquoise jewelry has become fashionable in China and less available for export. Prices have risen, and some believe that, like its North American cousins, Hubei Turquoise will increase dramatically in price over the next 5-10 years. This necklace is a gorgeous addition to any Turquoise collection. Shipped with USPS Priority Mail and Insurance.