VS
Name
—
Pb₁₈Fe³⁺₄[Si₄(Si,Fe³⁺)₆][Pb₄Si₁₆(Si,Fe)₄]O₈₂Cl₆
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
3
Mohs hardness
—
5.43
Specific gravity
—
Yellow
Streak
—
Vitreous, shining on cleavages
Luster
—
Perfect on {0001}
Cleavage
—
P-62c
Space group
—
—
Structural group
—
Jg · Grandfathered
IMA
—
1957
Named in
—
Yellow-green
Typical colors
—
Pb · Fe · Si · O · Cl
Elements
—