Wesselsite
Wesselsite is an IMA-recognized mineral species in the silicate class, with the chemical formula SrCuSi₄O₁₀.
It crystallizes in the tetragonal crystal system (space group P4/ncc). It is a member of the Gillespite structural group.
Key properties: specific gravity 3.2; White to light blue streak; optically uniaxial.
IMA symbol Wes, IMA status: approved, named in 1994.
Found in a hydrothermally-altered sedimentary manganese deposit.
It is found associated with Hennomartinite, sugulite, pectolite, xonotlite, quartz.
The name refers to the Wessels mine, South Africa, where the first specimens were 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.
Browse more W minerals or help write this entry.