Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
( ,Pb,Ce,Na)(U⁴⁺,Mn,U⁶⁺)Fe³⁺₂(Ti,Fe³⁺)₁₈O₃₈
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Hexagonal
Crystal system
—
6
Mohs hardness
—
4.62
Specific gravity
—
Black
Streak
—
Submetallic
Luster
—
None
Cleavage
—
R-3
Space group
—
Crichtonite
Structural group
—
Min · Approved
IMA
—
2014
Named in
—
Black; grayish white in reflected light
Typical colors
—
Pb · Ce · Na · U · Mn · Fe · Ti · O
Elements
—