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

VS
Pinnoite
Name
—
MgB₂O(OH)₆
Formula
—
Mineral Species
Entry type
—
Borates
Chemical class
—
Tetragonal
Crystal system
—
3.5
Mohs hardness
—
2.27
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
—
Cleavage
—
P4_2
Space group
—
—
Structural group
—
Pno · Grandfathered
IMA
—
1884
Named in
—
Sulfur-yellow, straw-yellow, greenish yellow, pistachio-green; pale yellow in transmitted light
Typical colors
—
Mg · B · O · H
Elements
—