Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
Li₂(Ca,Na)Fe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄(O,F)(H₂O)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
3
Mohs hardness
—
3.3
Specific gravity
—
Pale brown
Streak
—
Vitreous
Luster
—
Perfect on {001}, moderate on {010}
Cleavage
—
P-1
Space group
—
Astrophyllite-Astrophyllite
Structural group
—
Bgk · Approved
IMA
—
2014
Named in
—
Brownish orange
Typical colors
—
Li · Ca · Na · Fe · Ti · Si · O · H · F
Elements
—