1920's Persian Turquoise Ring
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This vintage ring dates back to the 1920's. The Persian turquoise contrasts beautifully with the bright 22K gold.
- 22k Yellow Gold
- 2.9mm x 5.6mm Persian Turquoise
- Size 5.25
- 1.7mm to 5.2mm band width
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BIRTHSTONES & ANNIVERSARIES
Turquoise is the traditional birthstone for the month of December and the gem of the 11th wedding anniversary.
- MINERAL: Turquoise
- CHEMISTRY: CuAl6(PO4)4 (OH)8.5H2O
- COLOR: Blue to green
- REFRACTIVE INDEX: 1.610 to 1.650
- BIREFRINGENCE: Not detectable
- SPECIFIC GRAVITY: 2.76 (+0.14, -0.36
- MOHS HARDNESS: 5 to 6
- If you need additional information regarding any of our gems or stones please contact us at shop@rockshopjewelry.com.