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Papagoite
Papagoite is cyclosilicate (calcium copper), CaCuAlSi₂O₆(OH)₃. In the hand, it rates 5 to 5.5 on the Mohs scale, and it runs cerulean blue and sky blue phantoms in quartz. Cerulean-blue wisps and crusts, most famously as dreamy sky-blue phantom clouds sealed inside South African quartz crystals.
The geology.
Papagoite carries the formula CaCuAlSi₂O₆(OH)₃. It belongs to the monoclinic system. On paper it is cyclosilicate (calcium copper).
It sits at 5 to 5.5 on the Mohs scale. The surface reads vitreous. Light behaviour is translucent. Specific gravity runs 3.25. The streak is pale blue. It breaks with uneven fracture; thin crusts.
Cerulean-blue wisps and crusts, most famously as dreamy sky-blue phantom clouds sealed inside South African quartz crystals.
Expect to see it as thin crusts, sky-blue phantoms inside quartz crystals or micro-crystal sprays.
The origins.
Ajo, Arizona (type locality, crusts) and the closed Messina mines, South Africa (the quartz phantoms).
On value, the database notes: prized; genuine phantom quartz is collector premium.
Traditional associations.
In energy work traditions, associated with serenity and compassionate communication.
Recorded here because it is part of how this material is sold, not because it is a property of the material.
Spotting the real thing.
Cerulean-blue wisps and crusts, most famously as dreamy sky-blue phantom clouds sealed inside South African quartz crystals.
Dyed quartz 'papagoite phantoms' circulate, sealed-in color and trusted provenance are essential at these prices.
| Looks like | How to tell them apart |
|---|---|
| Ajoite | Constant companion and confusion, ajoite leans turquoise-green, papagoite truer sky-blue; both command authentication |
| Dyed crackle quartz | Dye follows surface cracks; papagoite clouds are sealed inside intact crystal |
| Shattuckite | Shattuckite is deeper royal blue in silky fibrous masses |
At-home tests.
None of these need a lab. A 10x loupe, good daylight and a steady hand cover most of what a buyer needs to know about papagoite.
| Test | What you should see |
|---|---|
| By eye | Blue sits inside undamaged crystal (phantom form) |
| Scratch check | Quartz host scratches glass |
| By eye | Provenance and price sanity, genuine material is rare and documented |
Destructive tests belong to a gemologist, not a kitchen table. If a piece matters to you, pay for an appraisal before you take a file to it.
Care & handling.
At 5 to 5.5 on the Mohs scale it handles careful wear but scratches against quartz and dust. Store it separately and take rings off before rough work.
It breaks with uneven fracture; thin crusts, which is worth knowing before you set it or drop it.
Clean it by hand, dry it properly, and keep it away from ultrasonic cleaners and hot steam.
Copper mineral, wash hands after handling raw crusts.
A deeper look.
Extended detail on composition, sourcing, authentication and market value.
The physical record
The formula on record is CaCuAlSi₂O₆(OH)₃. Crystal system: Monoclinic. Specific gravity: 3.25. Streak: Pale blue. Cleavage and fracture: Uneven fracture; thin crusts.
How it reaches the market
Ajo, Arizona (type locality, crusts) and the closed Messina mines, South Africa (the quartz phantoms).
What it gets confused with
Ajoite: Constant companion and confusion, ajoite leans turquoise-green, papagoite truer sky-blue; both command authentication. Dyed crackle quartz: Dye follows surface cracks; papagoite clouds are sealed inside intact crystal. Shattuckite: Shattuckite is deeper royal blue in silky fibrous masses.
What it is worth
Prized; genuine phantom quartz is collector premium.
Where buyers get caught
Dyed quartz 'papagoite phantoms' circulate, sealed-in color and trusted provenance are essential at these prices.
One more thing
Named for the Tohono O'odham (historically 'Papago') people near Ajo, its South African quartz form became one of collecting's holy grails.
An education-first guide.
We do not stock papagoite. Writing it up regardless is the point of a reference library.
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