Product Details
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Thisvintage ringdates back to the 1960's.Four tiers of sapphires and turquoise create a tall navette shape.
- 14k Yellow Gold
- Blue Sapphires,26 Pieces
- Turquoise, 12 Pieces
- Size 4
- 1.9mm band width
- 15.4mm design height
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 .
