VS
Name
—
(Ca,Y)Zr(Ti,Mg,Al)₂O₇
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Monoclinic
Crystal system
—
6.5
Mohs hardness
—
4.02–4.24
Specific gravity
—
Brownish yellow to dark brown
Streak
—
Submetallic; adamantine to greasy
Luster
—
{100}, {010} in traces
Cleavage
—
C2/c
Space group
—
Zirconolite
Structural group
—
Zrc · Approved
IMA
—
1956
Named in
—
Brown to black; yellowish or brownish in thin section
Typical colors
—
Ca · Y · Zr · Ti · Mg · Al · O
Elements
—