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Home / Gem Library / Gemstones Varieties / Serendibite November 25, 2017

Natural Serendibite

Serendibite is an extremely rare boron-bearing mineral that is only rarely found as facet grade material. There appear to be only two sources for gem quality serendibite, the Ratanapura area in Sri Lanka, and the Mogok stone tract in Northern Myanmar.


  • There are 24 Serendibite gemstones available at Multicolour.com
  • Serendibite(s) are organized in the following categories: Single,  gemstones.
  • Our most expensive Serendibite is USD 992.00 and largest Serendibite weight is CTS 24.80.
  • Our cheapest Serendibite is USD 48.00 and smallest Serendibite weight is CTS 1.20.

Find your Serendibite

Our Serendibite(s) are available in various shapes, sizes and colors. 24 Serendibite(s), too many to look through? You may select any combination of search options. .

Shape Length (mm) Width (mm)
Category Weight (cts) Price (USD)





Serendibite Profile

Color information: Blue, Blue green, Gray blue, Light yellow, Dark blue, Black.
Refractive Index: 1.701 - 1.706,
Chemical Composition: Ca2(Mg,Al)6(Si,Al,B)6O20
Hardness: 6 - 7
Density: 3.40
Crystal Group: Triclinic
Ocurrence: Gangapitija, Ambakotte, Sri Lanka; Ohn Gaing mine, Mogok, Myanmar; Tanzania; Franklin N.J., Johnsburg N.Y, U.S.A.
Sign of the Zodiac: N/A
Month of the year: N/A
Serendibite Serendibite
Before 2005, only three serendibites were thought to be in existence, all from Sri Lanka. The first two were discovered by rare stone specialist D. P. Gunasekera and purchased by the late Prof. E. J. Gübelin of Switzerland for around $14,000.00 per carat.

More recently, facet quality serendibite was also discovered in the Mogok area of Northern Myanmar. Although the Sri Lankan stones were an attractive greenish or violetish blue, the dark black Burmese stones were still fetching prices of hundreds $ per ct. when they first appeared.

Serendibite boasts an unusually complex formula consisting of calcium, magnesium, aluminum, silicon, boron and oxygen. It may be confused with sapphirine and zoisite, but can be identified as serendibite on the basis of refractive indices, twinning, and spectroscopic features.

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Serendibite range/
Serendibite Single
Serendibite Single Oval Opaque
Size: 19.50 X 15.80 MM
Weight: 24.800 CTS
Shape: Oval
Clarity: Opaque
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 992.00
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Serendibite Single
Serendibite Single Oval Opaque
Size: 7.50 X 5.60 MM
Weight: 1.200 CTS
Shape: Oval
Clarity: Opaque
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 48.00
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