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Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

VS
Francisite
Francisite
Name
—
Cu₃Bi(Se⁴⁺O₃)₂O₂Cl
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Orthorhombic
Crystal system
—
3–4
Mohs hardness
—
5.42
Specific gravity
—
Pale apple-green
Streak
—
Adamantine
Luster
—
—
Cleavage
—
Pmmn
Space group
—
—
Structural group
—
Fcs · Approved
IMA
—
1989
Named in
—
Bright apple-green
Typical colors
—
Cu · Bi · Se · O · Cl
Elements
—