VS
Name
—
Ca₂Zr₅Ti₂O₁₆
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Tetragonal
Crystal system
—
6–7
Mohs hardness
—
4.9–5.01
Specific gravity
—
Brown
Streak
—
Semimetallic to adamantine, greasy on fractures
Luster
—
Two partings at ∼80°
Cleavage
—
I4_1/acd
Space group
—
Calzirtite
Structural group
—
Caz · Approved
IMA
—
1961
Named in
—
Light brown, dark brown to nearly black, light green to brownish green, reddish brown in thin fragments
Typical colors
—
Ca · Zr · Ti · O
Elements
—