Srilankite
Srilankite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Ti₂ZrO₆.
It crystallizes in the orthorhombic crystal system (space group Pbcn). It is a member of the Columbite structural group.
Key properties: Mohs hardness 6.5; specific gravity 4.6; Submetallic to adamantine luster; optically biaxial.
IMA symbol Sri, IMA status: approved, named in 1982.
Found in pebbles found in concentrates from a placer gemstone mine.
It is found associated with Zirconolite, baddeleyite, geikielite, spinel, perovskite.
The name refers to Sri Lanka, the country where the mineral was first collected.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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