VS
Name
—
CaSrB₁₄O₂₀(OH)₆·5H₂O
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Monoclinic
Crystal system
—
2–3
Mohs hardness
—
2.25
Specific gravity
—
—
Streak
—
Silky
Luster
—
On {010}, perfect; on {001}, very good
Cleavage
—
P2_1/a
Space group
—
—
Structural group
—
Sgnr · Grandfathered
IMA
—
1959
Named in
—
Colorless
Typical colors
—
Ca · Sr · B · O · H
Elements
—