Compare Minerals

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

Mineral A

Mineral B

Protocaseyite

Name

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[Al₄(OH)₆(H₂O)₁₂][V₁₀O₂₈]·8H₂O

Formula

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Mineral Species

Entry type

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Oxides & Hydroxides

Chemical class

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Triclinic

Crystal system

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Mohs hardness

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2.45

Specific gravity

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Pale orange-yellow

Streak

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Vitreous

Luster

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Two very good, one on {111} and one along the length of the blades and at an angle to the {111} face, possibly on {010}

Cleavage

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P-1

Space group

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Pascoite

Structural group

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Pcy · Approved

IMA

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2021

Named in

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Saffron-yellow

Typical colors

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Al · O · H · V

Elements

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