Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
Mg₇Al₂(OH)₁₈[Ca(H₂O)₆](SO₄)₂·6H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Hexagonal
Crystal system
—
1.5
Mohs hardness
—
1.932
Specific gravity
—
—
Streak
—
—
Luster
—
On {0001}, perfect, micaceous
Cleavage
—
P-3c1
Space group
—
Woodwardite, Hydrotalcite
Structural group
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Wld · Approved
IMA
—
1970
Named in
—
Pale greenish gray; colorless in transmitted light
Typical colors
—
Mg · Al · O · H · Ca · S
Elements
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