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78764

AGTA

Tanzanite Round Rose-Cut Cabochon

Tanzanite Round Rose-Cut Cabochon

Priced per Each
¥3,426
¥3,426
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US Flag Shipped from U.S. warehouse.
Delivery usually takes 2–3 weeks. Don’t worry - we take care of all taxes and customs.

Estimated arrival: 2025-12-05 – 2025-12-12

This round, rose-cut tanzanite features an attractive blue and purple trichroism; an ideal choice for one-of-a-kind jewelry designs. Highlight this feature by using it to create a pendant with a single gemstone or combine it with a variety of other gems to create multicolor necklace and earring designs. Tanzanite is one of the birthstones for December. Tanzanite, a name first used by Tiffany & Co., is a blue/purple variety of zoisite, which is a trichroic gemstone—it often exhibits different colors when seen from different directions. These gemstones are cut to show the orientation of deep blue to violet-blue colors; the blue color is due to the traces of vanadium in the crystal structure. A favorite of yesteryear, this rose-cut faceting features a flat base (no pavilion) and a crown made up of triangular facets.

Gemstone type: Tanzanite
Stone shape: Round
Stone size: 4mm, 3mm
Stone type: Natural
Color: Medium Blue-Violet
Birthstone: December
Enhancement: None (N)
Mohs hardness: 6–7, 6–6.5
Clarity: Eye-clean
Refractive index: 1.692–1.7
Specific gravity: 3.35
Brand: AGTA
Mineral source: TANZANIA
Cutting center: Thailand

Specifications

Birthstone:
December
Brand:
AGTA
Clarity:
Eye-clean
Color:
Medium Blue-Violet
Cutting center:
Thailand
Enhancement:
None (N)
Gemstone type:
Tanzanite
Mineral source:
TANZANIA
Mohs hardness:
6–6.5
Price per unit:
Priced per Each
Refractive index:
1.692–1.7
Specific gravity:
3.35
Stone shape:
Round
Stone size:
3mm
Stone type:
Natural
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