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Compare Minerals

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

Mineral A

VS

Mineral B

Franconite

Name

—

NaNb₂O₅(OH)·3H₂O

Formula

—

Mineral Species

Entry type

—

Oxides & Hydroxides

Chemical class

—

Monoclinic

Crystal system

—

—

Mohs hardness

—

2.72

Specific gravity

—

White

Streak

—

Vitreous to adamantine, silky on fractures

Luster

—

Basal, parting

Cleavage

—

P2_1/c

Space group

—

—

Structural group

—

Fra · Approved

IMA

—

1981

Named in

—

White, colorless, grayish blue

Typical colors

—

Na · Nb · O · H

Elements

—