Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
(Ca,Na)₂(Be,Al)Si₂(O,OH)₇
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
5
Mohs hardness
—
2.99
Specific gravity
—
—
Streak
—
—
Luster
—
Perfect on {001} and {110}
Cleavage
—
C222_1
Space group
—
Melilite
Structural group
—
Jfy · Approved
IMA
—
1982
Named in
—
Colorless, but commonly with a brown coating
Typical colors
—
Ca · Na · Be · Al · Si · O · H
Elements
—