Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
NaMn²⁺₄Si₅O₁₄(OH)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
5.5–6
Mohs hardness
—
3.51
Specific gravity
—
White, with slight orange tint
Streak
—
Vitreous
Luster
—
Perfect on {100} and {001}, distinct on {010}
Cleavage
—
P-1
Space group
—
Rhodonite
Structural group
—
Nnbl · Approved
IMA
—
1981
Named in
—
Pinkish orange to pink, deep red; in thin section, very pale yellow
Typical colors
—
Na · Mn · Si · O · H
Elements
—