American Firoza (Turquoise) 6.44 Carat (7.08 Ratti) — Stone Details
This is a loose American Firoza (natural turquoise) of 6.44 carat (7.08 ratti), oval cabochon, sky-blue and opaque—a practical mid-size stone for ring or pendant settings, with a face-up spread near 13.5 × 9.3 mm. If you are comparing American firoza stone with Irani (Persian) firoza, use this listing when you want American turquoise; Irani stones are listed separately. What we state about USA / American origin follows the paperwork with this stone—your certificate is final if anything differs.
Turquoise is a natural blue-green mineral (copper aluminium phosphate). More detail is on Mindat — Turquoise. Our paperwork lists Unheated and Untreated and Natural Turquoise; if your report uses other wording, trust the report. Hardness about 5–6 on Mohs; refractive index (R.I.) 1.61–1.65 as on the report.
In India it is known as firoza or firoza stone. You receive the printed lab report with the shipment—keep it for resale or your own files.
| Specification | Details |
|---|---|
| Weight | 6.44 Carat (7.08 Ratti) |
| Dimensions (L × W × H) | 13.5 × 9.3 × 6.4 mm |
| Colour | Sky blue |
| Cut / shape | Oval cabochon |
| Transparency | Opaque |
| Chemical composition | Hydrated copper aluminium phosphate (turquoise) |
| Hardness | 5–6 (Mohs) |
| Refractive index (R.I.) | 1.61–1.65 |
| Treatment | Unheated and Untreated (per report) |
| Indian name | Firoza |
| Gem type | Natural turquoise |
| Origin | USA — American firoza / American turquoise, as on lab report or supplier records |
| Report | Gem identification laboratory report included |
Care
Turquoise is soft and can absorb liquids. Do not soak it; skip ultrasonic cleaners, steam, and harsh chemicals (household cleaners, some cosmetics). Store apart from harder gems to reduce scratches. For buying help in India—matrix, treatment, price—read our Turquoise (Firoza) buying guide.
Jewellery use
The oval cabochon fits bezel or well-supported ring and pendant designs. Sky-blue turquoise suits silver, white gold, and yellow gold mounts.
Every order includes the physical report. Browse more American firoza and Irani firoza on our Turquoise stone (Firoza) collection at Ratna Gems.
Traditional use (belief-based)
Some people wear firoza for cultural or personal reasons. We do not promise health or astrology outcomes. For chart-based advice, consult a qualified astrologer.












