VS
Name
—
Ca₁₋₂(Ti,Zr,Nb)₅O₁₂·9H₂O
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
—
Crystal system
—
2–3
Mohs hardness
—
—
Specific gravity
—
—
Streak
—
Vitreous to oily, pearly on cleavage surfaces
Luster
—
Perfect in one direction, parallel to the plates
Cleavage
—
—
Space group
—
—
Structural group
—
Byn · Questionable
IMA
—
1950
Named in
—
White, light yellow to brownish yellow; black when manganese-rich
Typical colors
—
Ca · Ti · Zr · Nb · O · H
Elements
—