VS
Name
—
Ag₅Cu₉HgS₈
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Orthorhombic
Crystal system
—
3.5
Mohs hardness
—
6.318
Specific gravity
—
—
Streak
—
Metallic. Anisotropism: Strong. R1 –R2: (400) —, (420) —, (440) 35.4–30.6, (460) 35.6–31.0, (480) 35.4–31.0
Luster
—
—
Cleavage
—
Pmmm
Space group
—
—
Structural group
—
Bkn · Approved
IMA
—
1971
Named in
—
Steel-gray; pale gray in polished section
Typical colors
—
Ag · Cu · Hg · S
Elements
—