VS
Name
—
[Fe³⁺₀.₅(H₂O)₄][CaAs³⁺₂(Fe³⁺₂.₅W⁶⁺₀.₅)(AsO₄)₂O₇]
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Orthorhombic
Crystal system
—
—
Mohs hardness
—
3.06
Specific gravity
—
Pale yellow
Streak
—
Vitreous
Luster
—
Perfect on {100}
Cleavage
—
Imma
Space group
—
Walentaite
Structural group
—
Alc · Approved
IMA
—
2019
Named in
—
Lemon-yellow
Typical colors
—
Fe · H · O · Ca · As · W
Elements
—