VS
Name
—
Ca₂BeSi₂O₇
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Tetragonal
Crystal system
—
5
Mohs hardness
—
3.034
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
Perfect on {010}, distinct on {001}, poor on {110}
Cleavage
—
P-42_1m
Space group
—
Melilite
Structural group
—
Gug · Approved
IMA
—
1962
Named in
—
Colorless
Typical colors
—
Ca · Be · Si · O
Elements
—