Serendibite
A variety of Minerals

What is Serendibite?
Serendibite is an extremely rare silicate mineral that was first discovered in 1902 in Sri Lanka by Dunil Palitha Gunasekera and named after Serendib, the old Arabic name for Sri Lanka. The mineral is found in skarns associated with boron metasomatism of carbonate rocks where intruded by granite. Minerals occurring with serendibite include diopside, spinel, phlogopite, scapolite, calcite, tremolite, apatite, grandidierite, sinhalite, hyalophane, uvite, pargasite, clinozoisite, forsterite, warwickite and graphite.
Optical Properties
- Refractive Index
- 1.696-1.702
- Birefringence
- 0.005
- Pleochroism
- Strong: yellowish-green, bluish-green, violet-blue
- Optical Character
- Biaxial negative
Serendibite Market Value Calculator
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Serendibite Localities Map
See where Serendibite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Color
- pale yellow, blue-green, greyish blue
- Hardness (Mohs)
- 6.5 - 7
- Density
- 3.47 g/cm³
- Streak
- white
Chemical Properties
- Chemical Formula
- Ca4[Mg6Al6]O4[Si6B3Al3O36]
- Elements
- Al, B, Ca, Mg, O, Si

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