13 Carat Fluorite (Oval, 19.46×12.97mm, Bluish Green)
Color:
Actual size is set for screen
How big is a 13 carat oval-cut Fluorite?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 13ct oval-cut Fluorite would be around 19.46×12.97 mm (±6%). The lw ratio of this Fluorite is 1.5. See below how big it looks on a ring and finger.
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 |
Finger coverage |
77 % |
|
Saved...
|
|
|
Ring diameter:
16.9 mm
|
Additional Info
Fluorite is a very affordable and colorful gem. It occurs in a wide range of colors, but most commonly in shades of blue, green, and pink. Its softness (only 4 on Mohs scale) limits its use in jewelry.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
|
Name:
|
Fluorite |
|
Shape:
|
Oval |
|
Chemical Formula:
|
CaF2 |
|
Crystal Structure:
|
Isometric |
|
Hardness:
|
4 |
|
Specific Gravity
|
3.18 |
|
Carat weight:
|
13 ct |
|
Gram weight:
|
2.6 g (0.0917 ounces) |
|
Points:
|
1300 pts |
|
Length:
|
19.46 mm |
|
Width:
|
12.97 mm |
|
Est. face-up size:
|
206.96 mm² |
|
Volume:
|
817.61 mm³ |
|
Length-to-width ratio:
|
1.5 |
|
Refractive Index:
|
0.434 |
|
Luster:
|
Vitreous |
|
Wearability:
|
Poor |
|
Care Instructions:
|
Soft and prone to scratching |
|
Color:
|
Fluorite can be found in the following colors:
                            
|
|
Birthstone:
|
Fluorite is a birthstone for the month of February |
Popular comparisons:
- 5ct Fluorite (Oval, Bluish Green, 13.97 x 9.31) vs. 3.7ct Sapphire (Oval, Blue, 11.7 x 7.8)
- 1ct Fluorite (Oval, Bluish Green, 9 x 4) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 12ct Fluorite (Oval, Bluish Green, 18.69 x 12.46) vs. 4ct Fluorite (Oval, Bluish Green, 12.96 x 8.64)
- 2.36ct Fluorite (Oval, Bluish Green, 10.88 x 7.25) vs. 4ct Sapphire (Oval, Blue, 12 x 8)
- 2ct Fluorite (Oval, Violet, 10.29 x 6.86) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 12ct Fluorite (Oval, Bluish Green, 18.69 x 12.46) vs. 3ct Fluorite (Oval, Bluish Green, 11.78 x 7.85)
- 5ct Fluorite (Oval, Bluish Green, 13.97 x 9.31) vs. 3.5ct Sapphire (Oval, Blue, 11.49 x 7.66)
- 2ct Fluorite (Oval, Bluish Green, 10.29 x 6.86) vs. 2ct Sapphire (Round, Blue, 7.53 x 7.53)