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

Mineral A

VS

Mineral B

F

Fluorapophyllite-(NH_4_)

Name

—

(NH₄)Ca₄(Si₈O₂₀)F·8H₂O

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Tetragonal

Crystal system

—

4.5–5

Mohs hardness

—

2.325

Specific gravity

—

White

Streak

—

Vitreous to pearly

Luster

—

Perfect on {001}

Cleavage

—

P4/mnc

Space group

—

Apophyllite

Structural group

—

Fapo-NH4 · Approved

IMA

—

2020

Named in

—

Colorless to light pink

Typical colors

—

N · H · Ca · Si · O · F

Elements

—