Tourmaline · 1.44 ct
Tourmaline · 1.44 ct
1.44 ct
Tourmaline cannot form without boron, an element most rocks hold only in traces.
It gathers in the last fluids of a cooling granite, and where enough of it collects, tourmaline crystallises and takes up almost everything else that is present as well. That appetite for other elements is why the species comes in so many colours.
- Dimensions
- 5.61 × 7.86 × 4.34 mm
- Treatment
- Untested
- Graded by
- Not determined
- Per carat
- 108 KWD
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Tourmaline
5.61 mm across a 16.5 mm finger
A classic ring stone — present, but quietly so.
What these terms mean
- Untreated
- Examined by an independent laboratory, with no evidence of treatment found.
- Treated
- A treatment was found, and it is named.
- Not determined
- The stone was examined, but its report does not address treatment.
- Untested
- No laboratory report exists for this stone.
