The open encyclopedia of minerals

Glossary Cite the database

Mineralogist.org

Minerals A–Z Search Collections Browse by Property Identify a Specimen Compare Minerals Localities Map Glossary Contribute Search the Database →

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

C

Name

—

Sr₂Ca₇₋ₓNa₂ₓ(Si₄O₁₀)₄(OH)₂(H₂O)₁₅₋ₓ

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Triclinic

Crystal system

—

3

Mohs hardness

—

2.5

Specific gravity

—

White

Streak

—

Vitreous to pearly

Luster

—

Perfect on {001}

Cleavage

—

—

Space group

—

Gyrolite

Structural group

—

Ccs · Approved

IMA

—

2013

Named in

—

Colorless to white

Typical colors

—

Sr · Ca · Na · Si · O · H

Elements

—