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Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

VS
Hellyerite
Name
—
Ni(CO₃)·6H₂O
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
—
Crystal system
—
2.5
Mohs hardness
—
1.97
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
One perfect direction; two directions, less perfect, at 112° to one another and both approximately perpendicular to the first
Cleavage
—
—
Space group
—
—
Structural group
—
Hy · Approved
IMA
—
1959
Named in
—
Pale blue
Typical colors
—
Ni · C · O · H
Elements
—