Compare Minerals

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

Mineral A

Mineral B

Packratite

Name

—

Ca₁₁(As³⁺V⁵⁺₁₀V⁴⁺₂As⁵⁺₆O₅₁)₂·83H₂O

Formula

—

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

—

2.36

Specific gravity

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Grayish blue

Streak

—

Vitreous

Luster

—

Fair on {001}, {110} and {11 0}

Cleavage

—

P-1

Space group

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Structural group

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Pkt · Approved

IMA

—

2014

Named in

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Very dark greenish blue; pearly green (aggregates); dark blue in transmitted light

Typical colors

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Ca · As · V · O · H

Elements

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