40 Carat Andesine (Oval, 30×20mm, Orange)
Color:
Actual size is set for screen
How big is a 40 carat oval-cut Andesine?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 40ct oval-cut Andesine would be around 30×20 mm (±6%). The lw ratio of this Andesine is 1.5. See below how big it looks on a ring and finger.
Ring:
Skin tone:
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Ring width:
3.0 mm
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Saved...
64 mm
| Your settings | |
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Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
Finger coverage |
119 % |
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Saved...
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Ring diameter:
16.9 mm
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Additional Info
Andesine became very popular in the early 2000s when a wave of vividly colored red and orange stones entered the market. It was originally found in the Andes Mountains of South America, hence the name. It is typically reddish and orange in color.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
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Name:
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Andesine |
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Mineral Group:
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Plagioclase feldspar |
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Shape:
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Oval |
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Chemical Formula:
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(Ca,Na)(Al,Si)4O8 |
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Crystal Structure:
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Triclinic |
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Hardness:
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6 - 6.5 |
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Specific Gravity
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2.67 |
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Carat weight:
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40 ct |
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Gram weight:
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8 g (0.2822 ounces) |
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Points:
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4000 pts |
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Length:
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30 mm |
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Width:
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20 mm |
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Est. face-up size:
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492 mm² |
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Volume:
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2996.25 mm³ |
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Length-to-width ratio:
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1.5 |
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Refractive Index:
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1.560 - 1.568 |
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Luster:
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Vitreous |
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Wearability:
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Good |
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Care Instructions:
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Avoid extreme heat or ultrasonic cleaners |
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Color:
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Andesine can be found in the following colors:
        
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Birthstone:
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Andesine is not an official birthstone of any month |
Popular comparisons:
- 14ct Andesine (Oval, Orange, 20.87 x 13.91) vs. 14ct Apatite (Oval, Orange, 19.64 x 13.09)
- 2ct Andesine (Oval, Dark Red, 10.91 x 7.27) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 2ct Andesine (Oval, Light Red, 10 x 8) vs. 2.28ct Sapphire (Oval, Blue, 10 x 8)
- 2ct Andesine (Oval, Orange, 10.91 x 7.27) vs. 1ct Andesine (Oval, Orange, 8.66 x 5.77)
- 3ct Andesine (Oval, Orange, 12.48 x 8.32) vs. 3ct Emerald (Oval, Green, 12.44 x 8.29)
- 3ct Andesine (Oval, Orange, 12.48 x 8.32) vs. 3ct Chrysoberyl (Oval, Light Yellowish Green, 11.19 x 7.46)
- 1ct Andesine (Oval, Orangey Red, 8.66 x 5.77) vs. 1ct Apatite (Pear, Blue, 8.95 x 5.39)
- 1ct Andesine (Oval, Orange, 8.66 x 5.77) vs. 1ct Diamond (Pear, White, 9.05 x 5.45)
Use the simulator on this page to play around with different ring and finger configurations.