VS
Name
—
NaH(CO₃)
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
Monoclinic
Crystal system
—
2.5
Mohs hardness
—
2.21–2.24
Specific gravity
—
White
Streak
—
Vitreous, resinous on cleavages
Luster
—
Perfect on {101}; good on {111}; fair on {100}
Cleavage
—
P2_1/n
Space group
—
—
Structural group
—
Nah · Grandfathered
IMA
—
1929
Named in
—
Colorless, white, yellow, may be gray, reddish brown, to black from impurities; colorless in transmitted light
Typical colors
—
Na · H · C · O
Elements
—