VS
Name
—
(Au,Te,Pb)₃(Cu,Fe)
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
—
Mohs hardness
—
—
Specific gravity
—
—
Streak
—
Semimetallic. R1 –R2: (400) —, (420) 11.8–15.8, (440) 10.5–15.2, (460) 9.2–14.8, (480) 8.0–14.8, (500) 6.9–16.9
Luster
—
—
Cleavage
—
Pm-3m
Space group
—
Auricupride
Structural group
—
Bog · Approved
IMA
—
1978
Named in
—
Rose-brown to bronze-brown; quickly tarnishes in air to bluish black
Typical colors
—
Au · Te · Pb · Cu · Fe
Elements
—