The open encyclopedia of minerals
GlossaryCite the database
Mineralogist.org
Minerals A–ZSearchCollectionsBrowse by PropertyIdentify a SpecimenCompare MineralsLocalities MapGlossaryContribute Search the Database →
Silicate

Chivruaiite

Ca₄(Ti,Nb)₅(Si₆O₁₇)₂(OH,O)₅·13-14H₂O
Crystal systemOrthorhombic
ClassSilicate
←PrevChistyakovaiteNextChiyokoite→
Chivruaiite specimen

Very small single crystal of the extremely rare mineral chivruaiite from the type locality (Chivruai River Valley, Lovozero Massif, Kola, Russian Federation) and only one of the two known localities worldwide. — Photo: David Hospital · CC BY-SA 4.0

Chivruaiite

Chivruaiite is an IMA-recognized mineral species in the silicate class, with the chemical formula Ca₄(Ti,Nb)₅(Si₆O₁₇)₂(OH,O)₅·13-14H₂O.

It crystallizes in the orthorhombic crystal system (space group Cmmm).

IMA symbol Cvr, IMA status: approved, named in 2004.

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 C minerals or help write this entry.