1 Carat Tanzanite Round (6.37×6.37 mm)
Actual size is set for screen
Change
Settings »
Ring:
Skin tone:
|
Ring width:
3.0 mm
|
Saved...
64 mm
| Your settings | |
|---|---|
Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
|
Saved...
|
|
|
Ring diameter:
16.9 mm
|
Additional Info
Tanzanite is a blue variety of the mineral Zoisite. It got its name after the East African country of Tanzania, were it was discovered in 1967. Most of Tanzanite on the market today is heat treated.
Where to buy?
Where to buy?
For certified gemstones and high-end gemstone jewelry, check offers at:
James Allen → quality gemstones (Rubies, Sapphires, Emeralds) and especially Diamonds
Blue Nile → gemstones and diamonds, birthstones jewelry
Brian Gavin → nice selection of gemstones, top-end signature diamonds
Gem Details
|
Name:
|
Tanzanite |
|
Mineral Class:
|
Zoisite |
|
Shape:
|
Round |
|
Chemical Formula:
|
Ca2Al3(SiO4)3(OH) |
|
Crystal Structure:
|
Orthorhombic |
|
Hardness:
|
6-6.5 |
|
Specific Gravity
|
3.3 |
|
Carat weight:
|
1 ct |
|
Gram weight:
|
0.2 g (0.0071 ounces) |
|
Points:
|
100 pts |
|
Length:
|
6.37 mm |
|
Width:
|
6.37 mm |
|
Average diameter:
|
6.37 mm |
|
Est. face-up size:
|
31.87 mm² |
|
Volume:
|
60.61 mm³ |
|
Length-to-width ratio:
|
1 |
|
Refractive Index:
|
1.69 - 1.70 |
|
Cleavage:
|
1,1 |
|
Luster:
|
Vitreous |
|
Birefringence:
|
0.009 |
|
Wearability:
|
Very good |
|
Care Instructions:
|
gentle wear recommended |
|
Color:
|
 
|
|
Birthstone:
|
Tanzanite is a birthstone for the month of December |
Popular comparisons:
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 1ct Alexandrite (Round, Light Green , 6.14 x 6.14)
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 1ct Emerald (Round, Green, 6.37 x 6.37)
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 1ct Morganite (Round, Light Purple, 6.82 x 6.82)
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 0.2ct Diamond (Oval, Blue, 4.74 x 3.16)
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 1ct Alexandrite (Round, Dark Violet, 6.14 x 6.14)
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
Enter your screen size (diagonal)
My screen size is
inches
Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.