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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

R

Name

—

Fe²⁺Y₄(Si₂O₇)₂F₂

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

—

Crystal system

—

5.5–6.5

Mohs hardness

—

4.39

Specific gravity

—

—

Streak

—

Vitreous; waxy when altered

Luster

—

—

Cleavage

—

—

Space group

—

Rowlandite

Structural group

—

Row-Y · Approved

IMA

—

1891

Named in

—

Pale dull green, grayish white; alters to brick-red material

Typical colors

—

Fe · Y · Si · O · F

Elements

—