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VS
Makatite
Name
—
Na₂Si₄O₈(OH)₂·4H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
1.97–2.07
Specific gravity
—
—
Streak
—
—
Luster
—
One, parallel to longitudinal axis, excellent
Cleavage
—
P2_1/c
Space group
—
—
Structural group
—
Mkt · Approved
IMA
—
1969
Named in
—
White
Typical colors
—
Na · Si · O · H
Elements
—