Eringaite
Eringaite is an IMA-recognized mineral species in the silicate class, with the chemical formula Ca₃Sc₂(SiO₄)₃.
It crystallizes in the cubic crystal system (space group Ia-3d). It is a member of the Garnet structural group.
Key properties: specific gravity 3.654; Creamy white streak; Vitreous luster.
IMA symbol Erg, IMA status: approved, named in 2009.
An accessory mineral in metasomatic rodingite-like rocks; it forms regular growth zones and irregular spots in complex garnet crystals.
It is found associated with Grossular, vesuvianite, serpentine, melilite-group minerals, kimzeyite.
The name refers to the Eringa River, the tributary of the Wiluy River directly across from 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.
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