VS
Name
—
CaY₂(CO₃)₄·6H₂O
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
Orthorhombic
Crystal system
—
2.5
Mohs hardness
—
2.6
Specific gravity
—
—
Streak
—
Vitreous to silky on cleavages
Luster
—
Perfect on {010}
Cleavage
—
—
Space group
—
Tengerite
Structural group
—
Kmu-Y · Approved
IMA
—
1984
Named in
—
Pale purple to pinkish white
Typical colors
—
Ca · Y · C · O · H
Elements
—