Sleeping Beauty turquoise comes from an open-pit copper mine in the Globe and Miami district of Gila County, Arizona. The mountain range takes its name from its silhouette — a sleeping woman seen from a distance. The stone ranges from chalky white to a clear sky blue that collectors compare favorably to Iranian and Chilean material.
Most turquoise earns its name from a person, a claim number, or a geographic feature. Sleeping Beauty earns its name from a landform. As Joe Dan and Joe P. Lowry describe in Turquoise: The World Story of a Fascinating Gemstone: "From a distance, the mountain range where this copper mining area is located resembles a sleeping woman." The open pit sits in the Globe/Miami District of Gila County — copper country, where turquoise arrives as a byproduct of large-scale extraction rather than the primary commercial target. (LOWRY ~lines 11843–11857)
What made Sleeping Beauty a household name among turquoise buyers is the stone's unusual clarity. Per Lowry: "The turquoise this mine produces is anywhere from a chalky white to a sky blue with a clarity that can rival similar turquoise that is famous from the countries of Iran and Chile. Sleeping Beauty has become famous around the world." (LOWRY ~lines 11843–11857) That cloudless, matrix-free sky blue — when it occurs — reads as Persian in character within an American context, which is rare. It made the stone highly popular with bead makers and inlay workers who needed uniform color across large quantities.
On mine status, the sources consulted present a genuinely contested picture. The LOWRY volume documents the mine as producing at publication (2010), but subsequent reports in the collector market have described a cessation of turquoise production tied to changes in copper mining operations — claims that have not been confirmed or contradicted within the corpus sources available here. Per the research methodology of this directory, that conflict is noted honestly: mine status as of the writing of this page is uncertain and should be verified against current primary sources before any buyer decision rests on it.
The sky-blue end of the Sleeping Beauty range has made the stone a frequent target for imitation and misrepresentation. Stabilized or dyed material marketed as Sleeping Beauty is well-documented in the trade. The stone's clean appearance — the very quality that made it sought after — also makes it easy to approximate with treated chalk turquoise or dyed howlite.
Q: Is Sleeping Beauty turquoise still being mined?
The Sleeping Beauty mine in Globe-Miami, Arizona ceased turquoise production around 2012 when the operator converted entirely to copper mining. No new material has come from the mine since. Sleeping Beauty turquoise on the market today is pre-2012 stock.
Q: What makes Sleeping Beauty turquoise distinctive?
Sleeping Beauty turquoise is known for its clear, sky-blue color with minimal or no matrix — often described as "robin's egg blue." The mine produced predominantly clean, matrix-free stone that collectors compare favorably to Iranian and Chilean turquoise.
Q: Why is Sleeping Beauty turquoise valuable?
The mine is closed and no new material is being produced, making existing supply finite. Its distinctive sky-blue, matrix-free appearance is highly sought by jewelers and collectors. Prices have risen steadily since mining ceased.
For Persian-style clarity and grading context, see turquoise grading and color. For the stabilization processes that affect much of the market supply, see Treatments and Imitations. Compare the matrix-rich end of the turquoise spectrum at the Number Eight field guide and the Bisbee field guide. For matrix types, see turquoise matrix guide.
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