VS
Name
—
Ca₂(SO₄)(CO₃)·4H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Orthorhombic
Crystal system
—
2
Mohs hardness
—
2.21
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
Perfect on {010}; good on {100}
Cleavage
—
Pcnb
Space group
—
—
Structural group
—
Rck · Approved
IMA
—
1984
Named in
—
White to colorless
Typical colors
—
Ca · S · O · C · H
Elements
—