VS
Name
—
Ca₂BeAl₂Si₄O₁₃(OH)₂·nH₂O (n < 2.5)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Tetragonal
Crystal system
—
—
Mohs hardness
—
2.02
Specific gravity
—
—
Streak
—
—
Luster
—
Perfect on {110}
Cleavage
—
I4/mcm
Space group
—
—
Structural group
—
Rog · Approved
IMA
—
1968
Named in
—
Pale yellow
Typical colors
—
Ca · Be · Al · Si · O · H
Elements
—