Compare Minerals

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

Mineral A

Mineral B

Lalondeite

Name

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(Na,Ca)₆(Ca,Na)₃Si₁₆O₃₈(F,OH)₂·3H₂O

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

—

2.5

Specific gravity

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White

Streak

—

Pearly. Medium to strong, violet-blue fluorescence in MW UV; weak under SW; none under LW

Luster

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Perfect on {001}

Cleavage

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P-1

Space group

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Gyrolite

Structural group

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Lal · Approved

IMA

—

2002

Named in

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Colorless

Typical colors

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Na · Ca · Si · O · F · H

Elements

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