VS
Name
—
CaV⁴⁺OSi₄O₁₀·4H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
3–4
Mohs hardness
—
2.33
Specific gravity
—
white
Streak
—
Vitreous
Luster
—
Good on {010}
Cleavage
—
Ccm2_1
Space group
—
—
Structural group
—
Ptg · Approved
IMA
—
1971
Named in
—
Greenish blue
Typical colors
—
Ca · V · O · Si · H
Elements
—