VS
Name
—
Cu²⁺(Te⁴⁺O₃)·2H₂O
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Orthorhombic
Crystal system
—
2.5
Mohs hardness
—
3.8
Specific gravity
—
Pale blue
Streak
—
—
Luster
—
On {010}, good; on {001} and {100}, poor
Cleavage
—
P2_12_12_1
Space group
—
—
Structural group
—
Tei · Grandfathered
IMA
—
1939
Named in
—
Cerulean blue, Cobalt blue, bluish gray; in transmitted light, bright blue to greenish blue
Typical colors
—
Cu · Te · O · H
Elements
—