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

VS
Almeidaite
Almeidaite
Name
—
PbZn₂(Mn,Y)(Ti,Fe³⁺)₁₈O₃₆(OH,O)₂
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Hexagonal
Crystal system
—
6
Mohs hardness
—
4.68
Specific gravity
—
Brown
Streak
—
Submetallic
Luster
—
None
Cleavage
—
R-3
Space group
—
Crichtonite
Structural group
—
Amd · Approved
IMA
—
2013
Named in
—
Black
Typical colors
—
Pb · Zn · Mn · Y · Ti · Fe · O · H
Elements
—