Test drive·Sandbox checkout. Test cards only.

RockIDRockID

Rock guide

Almandine

gem · common

Quick facts

Formula
Fe3Al2(SiO4)3
Hardness
7-7.5
Luster
Vitreous
Colors
Deep red, brownish-red

Almandine is the most common garnet, often found in metamorphic rocks. It is valued for its deep red color.

Identify by its deep red color and high hardness.

Scan yours

Photograph your specimen on arockid.com or in RockSnap / RockID. Three free IDs a day — no card.

Try a live scan
Coming soon on theApp StoreDownload RockSnap on the App Store — coming soonComing soon onGoogle PlayGet it on Google Play — coming soon

On the App Store, search RockSnap. Links go live when Apple and Google approve the listing. Use the web app today — same account.