VS
Name
—
Na₂(SO₄)
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Orthorhombic
Crystal system
—
2.5–3
Mohs hardness
—
2.664
Specific gravity
—
white
Streak
—
Vitreous to resinous
Luster
—
On {010}, perfect; on {101}, fair; on {100}, interrupted
Cleavage
—
Fddd
Space group
—
—
Structural group
—
Thn · Approved
IMA
—
1826
Named in
—
White, Colorless, Gray, Brown, Yellow
Typical colors
—
Na · S · O
Elements
—