VS
Name
—
(Ca,Na)₂(Nb,Ti)₂O₆F
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Cubic
Crystal system
—
5
Mohs hardness
—
4.34
Specific gravity
—
Light yellow
Streak
—
Adamantine to greasy
Luster
—
None
Cleavage
—
Fd-3m
Space group
—
Pyrochlore-Pyrochlore
Structural group
—
Fcpcl · Approved
IMA
—
2013
Named in
—
Brownish yellow to reddish orange, brown in transmitted light; gray in reflected light
Typical colors
—
Ca · Na · Nb · Ti · O · F
Elements
—