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VS
Shigaite
Name
—
Mn₆Al₃(OH)₁₈[Na(H₂O)₆](SO₄)₂·6H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Hexagonal
Crystal system
—
2
Mohs hardness
—
2.32
Specific gravity
—
Very pale yellow to white
Streak
—
Vitreous to dull
Luster
—
On {0001}, perfect
Cleavage
—
R-3
Space group
—
Woodwardite, Hydrotalcite
Structural group
—
Sga · Approved
IMA
—
1984
Named in
—
Pale yellow, bright yellow, golden yellow, burnt orange; brownish yellow if included
Typical colors
—
Mn · Al · O · H · Na · S
Elements
—