VS
Name
—
Na₂Mg[B₆O₈(OH)₄]₂·4H₂O
Formula
—
Mineral Species
Entry type
—
Borates
Chemical class
—
Monoclinic
Crystal system
—
3.5
Mohs hardness
—
2.027
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
{001} and {100}, perfect; {110}, fair
Cleavage
—
P2_1/a
Space group
—
—
Structural group
—
Ais · Approved
IMA
—
1973
Named in
—
Colorless to white
Typical colors
—
Na · Mg · B · O · H
Elements
—