3.5 Carat Tourmaline Oval (12.5×8.33mm, Violet)
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
Tourmaline has been a very popular gemstone since antiquity. It comes in a wide variety of colors, many times with two, or even three colors at once. It got its name from the Sinhalese word "turamali", which means "stone of mixed colors".
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
|
Name:
|
Tourmaline |
|
Mineral Class:
|
Tourmaline |
|
Shape:
|
Oval |
|
Chemical Formula:
|
N/a |
|
Crystal Structure:
|
Hexagonal |
|
Hardness:
|
7 - 7.5 |
|
Specific Gravity
|
3.1 |
|
Carat weight:
|
3.5 ct |
|
Gram weight:
|
0.7 g (0.0247 ounces) |
|
Points:
|
350 pts |
|
Length:
|
12.5 mm |
|
Width:
|
8.33 mm |
|
Est. face-up size:
|
85.38 mm² |
|
Volume:
|
225.81 mm³ |
|
Length-to-width ratio:
|
1.5 |
|
Refractive Index:
|
1.616 - 1.650 |
|
Cleavage:
|
3,2 |
|
Luster:
|
Vitreous |
|
Birefringence:
|
0.018 |
|
Wearability:
|
Very good |
|
Care Instructions:
|
No special or unusual care |
|
Color:
|
                               
|
|
Birthstone:
|
Tourmaline is a birthstone for the month of October |
Popular comparisons:
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 2ct Fluorite (Oval, Bluish Green, 10.29 x 6.86)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 3.5ct Ruby (Oval, Red, 11.49 x 7.66)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 2ct Emerald (Emerald, Green, 8 x 8)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 0.27ct Emerald (Cushion, Green, 4.6 x 3.3)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 2ct Peridot (Oval, Yellowish Green, 10.11 x 6.74)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 1.1ct Emerald (Round, Green, 7.04 x 7.04)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 1.25ct Tourmaline (Round, Violet, 7.01 x 7.01)
- 5.8ct Tourmaline (Oval, Violet, 14.79 x 9.86) vs. 8ct Sapphire (Oval, Blue, 15.12 x 10.08)
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.