VS
Name
—
NaMgAl₅(PO₄)₄(OH)₆·2H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
—
Crystal system
—
5
Mohs hardness
—
2.948
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
Perfect on {100}
Cleavage
—
—
Space group
—
Dufrénite
Structural group
—
Mti · Approved
IMA
—
2005
Named in
—
Blue to colorless
Typical colors
—
Na · Mg · Al · P · O · H
Elements
—