Category Inosilicates Dana classification 69.2.1a.6 Crystal system Triclinic crystal system | Strunz classification 9.DH.40 Space group P1 | |
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Formula(repeating unit) (Ca,Na)2(Mg,Fe)3(Al,Fe)3[O2|(Si,Al,B)6O18] Crystal class Pinacoidal (1)(same H-M symbol) | ||
Rare serendibite 8 90 ct from burma
Serendibite is an extremely rare 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.
Contents
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.
Serendibite 2
References
Serendibite Wikipedia(Text) CC BY-SA