VS
Name
—
CuAl₂
Formula
—
Mineral Species
Entry type
—
Native Elements
Chemical class
—
Tetragonal
Crystal system
—
5.5
Mohs hardness
—
4.42
Specific gravity
—
—
Streak
—
Metallic. Anisotropism: Distinct, grayish yellow to brownish red. R1 –R2: (400) —, (420) —, (440) 70.1–75.8
Luster
—
{100}, distinct
Cleavage
—
I4/mcm
Space group
—
Khatyrkite
Structural group
—
Ktk · Approved
IMA
—
1983
Named in
—
Steel-gray yellow; in reflected light, isotropic sections are pale blue
Typical colors
—
Cu · Al
Elements
—