Compare Minerals

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

Mineral A

Mineral B

Roymillerite

Name

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Pb₂₄Mg₉(Si₁₀O₂₈)(CO₃)₁₀(BO₃)(SiO₄)(OH)₁₃O₅

Formula

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Mineral Species

Entry type

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Silicates

Chemical class

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Triclinic

Crystal system

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Mohs hardness

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5.973

Specific gravity

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White

Streak

—

Vitreous

Luster

—

Perfect on {001}

Cleavage

—

P-1

Space group

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Molybdophyllite

Structural group

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Roy · Approved

IMA

—

2016

Named in

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Colorless to light pink

Typical colors

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Pb · Mg · Si · O · C · B · H

Elements

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