VS
Name
—
Na₈(Mn²⁺₂Na)Ca₆Fe³⁺₃Zr₃NbSi₂₅O₇₄(OH)₂Cl·5H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
4.5
Mohs hardness
—
2.96
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
None
Cleavage
—
R3m
Space group
—
Eudialyte
Structural group
—
Siu · Approved
IMA
—
2018
Named in
—
Yellow to brownish yellow; colorless to pale brown in transmitted light
Typical colors
—
Na · Mn · Ca · Fe · Zr · Nb · Si · O · H · Cl
Elements
—