VS
Name
—
(Na,REE)₁₅(Ca,REE)₆Mn₃Zr₃Nb(Si₂₅O₇₃)(O,OH,H₂O)₃(F,Cl)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
5–6
Mohs hardness
—
3.1
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
None
Cleavage
—
R3
Space group
—
Eudialyte
Structural group
—
Ktb · Approved
IMA
—
1996
Named in
—
Yellow-brown
Typical colors
—
Na · REE · Ca · Mn · Zr · Nb · Si · O · H · F · Cl
Elements
—