VS
Name
—
Ca₃Si(CO₃)[B(OH)₄]O(OH)₅·12H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
—
Mohs hardness
—
1.85
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
Good on {101 0} and {0001}
Cleavage
—
P6_3
Space group
—
Ettringite
Structural group
—
Cyo · Approved
IMA
—
2019
Named in
—
Pink to colorless
Typical colors
—
Ca · Si · C · O · B · H
Elements
—