Garnet refers to a large group of nesosilicate minerals that share a common crystal structure and general chemical formula. They are most easily identified by their characteristic dodecahedral or trapezohedral crystal forms and occur in a wide variety of metamorphic and igneous environments worldwide.

Hardness

6.5-7.5

Mohs

Luster

Vitreous

Streak

White

Transparency

Transparent

mineralcommon

Garnet

Hardness: 6.5-7.5
Luster: Vitreous
Streak: White
Transparency: Transparent

Is this garnet?

5-step field check

Run through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.

1
Test the hardness
Try to scratch garnet with a known reference. Garnet sits at Mohs 6.5-7.5 — softer than the next harder reference, harder than the previous one.
2
Check the streak
Drag the specimen across an unglazed porcelain plate. Garnet leaves a white streak.
3
Read the luster
Hold the specimen under a strong light. Garnet typically shows a vitreous luster.
4
Match the color range
Compare against the expected color range: red, green, yellow, brown, black, pink, orange.
5
Look at form & habit
Crystal system: cubic. Typical habit: dodecahedral and trapezohedral crystals, massive.

Often confused with

Garnet vs. its common look-alikes — and how to tell them apart in the field.

How to tell apart: Luster reads vitreous on Garnet and adamantine on Zircon.

Often found alongside garnet

Minerals reported to co-occur with garnet. Spotting these in float or country rock is a strong cue you are in the right ground.

All properties

Chemical formula: X₃Y₂(SiO₄)₃
Mohs hardness: 6.5-7.5
Density: 3.5-4.3 g/cm³
Colors: Red Green Yellow Brown Black Pink Orange
Streak: White
Luster: Vitreous
Transparency: Transparent
Crystal system: Cubic
Crystal habit: Dodecahedral and Trapezohedral Crystals, Massive
Cleavage: None
Rarity: Common
Uses: Gemstone, Abrasive, Collector
Host rock: Metamorphic Rocks Like Schist and Gneiss, Sometimes Igneous Rocks
Typical price: $5-50 thumbnail, $100-5000+ cabinet specimen

Where rockhounds find garnet

191 mapped spots

Classic worldwide localities

USA
India
Madagascar
Tanzania
Brazil
Czech Republic

U.S. states with garnet

Each link opens a state-specific list of mapped rockhounding spots that produce garnet.

Field-hunting tip

Look in metamorphic rocks like schist and gneiss, sometimes igneous rocks country — that is the host setting where garnet typically forms. If you start seeing quartz, mica, feldspar in float, you are in the right ground. Field specimens usually show a dodecahedral and trapezohedral crystals, massive habit, so train your eye for that shape before scanning the outcrop. In the U.S., the densest reported localities are in North Carolina, Utah, Georgia — start trip planning there.

Browse 191 U.S. spots for garnet →

Common questions

How do you identify garnet?+

Mohs hardness is 6.5-7.5. It typically shows a vitreous luster. The streak is white. Common colors include red, green, yellow, brown.

Where is garnet found?+

Notable localities include USA; India; Madagascar; Tanzania; Brazil.

Can I find garnet in the United States?+

RockHoundR maps 191 garnet rockhounding spots across 12 U.S. states — the top states are North Carolina, Utah, Georgia.

How much is garnet worth?+

Typical asking prices fall in the range of $5-50 thumbnail, $100-5000+ cabinet specimen. Quality, size, and provenance can move individual specimens well outside that range.

What rocks look like garnet?+

Garnet is most often confused with Spinel, Zircon, Tourmaline. A quick hardness test and a streak check separate the look-alikes faster than color alone.

What minerals are found with garnet?+

Garnet commonly co-occurs with Quartz, Mica, Feldspar, Chlorite. Spotting any of these in float or country rock is a useful trip signal.

What kind of rock does garnet form in?+

Garnet typically forms in metamorphic rocks like schist and gneiss, sometimes igneous rocks. Working float back to the host body is the standard way to chase a fresh occurrence.

What is garnet used for?+

Garnet is used in gemstone, abrasive, collector.

Find garnet on the map

RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.