VS
Name
—
Pb₂Cu(PO₄)(SO₄)(OH)
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
3.5
Mohs hardness
—
6.01–6.13
Specific gravity
—
—
Streak
—
Vitreous, brilliant
Luster
—
—
Cleavage
—
P2_1/m
Space group
—
Brackebuschite
Structural group
—
Tsu · Grandfathered
IMA
—
1912
Named in
—
Emerald-green, bluish green; green in transmitted light
Typical colors
—
Pb · Cu · P · O · S · H
Elements
—