VS
Name
—
Zn₂Pb₄(Si₂O₇)(SiO₄)(SO₄)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
4
Mohs hardness
—
6.07
Specific gravity
—
White
Streak
—
Greasy
Luster
—
{010} and {001}, observed in traces
Cleavage
—
P2_1
Space group
—
—
Structural group
—
Que · Approved
IMA
—
1978
Named in
—
Pale yellow or colorless; distinct anomalous interference colors in thin section
Typical colors
—
Zn · Pb · Si · O · S
Elements
—