VS
Name
—
HCu₄Pb₄Si₄O₁₂(HCO₃)₄(OH)₄Cl
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Tetragonal
Crystal system
—
—
Mohs hardness
—
4.07
Specific gravity
—
Light blue
Streak
—
Vitreous
Luster
—
—
Cleavage
—
I4/m
Space group
—
Cerchiaraite
Structural group
—
Ahb · Approved
IMA
—
1990
Named in
—
Blue
Typical colors
—
H · Cu · Pb · Si · O · C · Cl
Elements
—