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0.4 Carat Benitoite Round (4.54×4.54 mm)

blue
actual size
0.4ct Benitoite image - Round, Blue
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Ring:
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Ring width: 3.0 mm
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Finger image
Ring on finger
Blue 0.4ct Benitoite on a ring
64 mm
Your settings
Ring
Gold
Skin tone
Light
Ring diameter
16.9 mm
Ring width
3.0 mm
Finger length
64 mm
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Ring diameter: 16.9 mm
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Additional Info

Benitoite is a very rare blue gem first discovered in San Benito, California (hence the name). Benitoite is California state’s official gem.

Where to buy?
For Benitoite check what Amazon has to offer. You'll usually find quite a selection from many different vendors. Worth a check. For other high quality gemstones (Rubies, Saphhires, Emeralds) and especially Diamonds, I highly recommend JamesAllen.

Gem Details

Name:
Benitoite
Mineral Class:
Benitoite
Shape:
Round
Chemical Formula:
BaTiSi3O9
Crystal Structure:
Hexagonal
Hardness:
6 - 6.5
Specific Gravity
3.65
Carat weight:
0.4 ct
Gram weight:
0.08 g (0.0028 ounces)
Points:
40 pts
Length:
4.54 mm
Width:
4.54 mm
Average diameter:
4.54 mm
Est. face-up size:
16.19 mm²
Volume:
21.92 mm³
Length-to-width ratio:
1
Refractive Index:
1.75-1.80
Cleavage:
None
Luster:
Vitreous
Birefringence:
0.047
Wearability:
Care Instructions:
Color:
White Light Blue Blue Dark Blue
Birthstone:
Benitoite is not an official birthstone for any month

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