VS
Name
—
Ca(V⁴⁺O)(Si₄O₁₀)·4H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
3.5–4
Mohs hardness
—
2.21–2.31
Specific gravity
—
white
Streak
—
Vitreous
Luster
—
Good on {010}
Cleavage
—
Pcmn
Space group
—
—
Structural group
—
Cav · Approved
IMA
—
1967
Named in
—
Blue
Typical colors
—
Ca · V · O · Si · H
Elements
—