Can a magnet tell pyrite from gold?

No. Gold is not magnetic and pure pyrite is not strongly magnetic either, so a magnet is not a reliable test. Use the streak test, hardness, and heft instead.

Is pyrite a gemstone or worth like gold?

Pyrite is a mineral and can be polished for jewelry, but it is not a precious gem and does not have the same market value or worth as gold. Visual, streak, and heft checks are the best initial ways to distinguish them.

What if the sample is small or mixed with other minerals?

When pieces are tiny or embedded in matrix rock, use a streak plate and take high-quality photos. Note the host rocks and crystals around the sample. If uncertainty remains, collect a clean sample and ask a professional lab or experienced finder for testing.

How to identify pyrite versus gold mineral

Simple, repeatable tests let you tell pyrite from gold using sight, a streak plate, and a few handheld checks. This guide explains clear steps you can do in the field or at home to assess crystals, nuggets, and samples.

Quick facts

Pyrite: Pyrite streak: greenish black
Gold: Gold streak: golden yellow

Visual clues first

Start by looking at color, form, and luster. Gold is a metallic, warm yellow that stays yellow in all lighting. Pyrite often looks brassy or pale yellow and can have a greenish tint in some reflections. Examine crystal shape: pyrite commonly forms cubic or pyritohedral crystals, while gold appears as irregular nuggets, flakes, or flattened grains. Think of gold as a dense metal rather than a gemstone or crystal habit; pyrite is a mineral with distinct crystal faces.

Streak test (most reliable quick test)

Use an unglazed porcelain tile or a dedicated streak plate. Firmly drag a fresh edge of the sample across the plate and observe the powder color. Pyrite streak: greenish black. Gold streak: golden yellow. Record the result and compare with your photo records to aid recognition.

Hardness and malleability

Test hardness by trying to scratch the sample with a steel knife or a piece of glass (use caution). Pyrite is brittle: it will shatter or produce small fractures when struck and will not bend. Gold is malleable: a small nugget or flake will flatten or show a dent when pressed, not shatter. Do not use excessive force; perform these checks on an inconspicuous edge.

Weight and feel

Lift similar-sized pieces to compare heft. Gold feels noticeably heavier for its size because it is denser. Pyrite feels lighter and feels more like an ordinary rock or mineral. This difference in worth and value is often obvious to a finder familiar with mineral samples and rocks.

Using photos, a scanner, and simple tools

Take a clear close-up photo from multiple angles and include a ruler or coin for scale. A handheld scanner or high-resolution camera helps record crystal faces and surface texture. Label the photo with location and notes about surrounding rocks or minerals. A good photo and short notes improve later recognition and any assessment of value or worth.

When to get expert confirmation or use an app

If tests give mixed results or the sample is valuable to you, preserve the specimen and seek expert identification before any cleaning or cutting. For quick reference and automated recognition, consider using a reliable scanner or app as part of your workflow; one option available is Rock Identifier.

Common questions

Can a magnet tell pyrite from gold?: No. Gold is not magnetic and pure pyrite is not strongly magnetic either, so a magnet is not a reliable test. Use the streak test, hardness, and heft instead.
Is pyrite a gemstone or worth like gold?: Pyrite is a mineral and can be polished for jewelry, but it is not a precious gem and does not have the same market value or worth as gold. Visual, streak, and heft checks are the best initial ways to distinguish them.
What if the sample is small or mixed with other minerals?: When pieces are tiny or embedded in matrix rock, use a streak plate and take high-quality photos. Note the host rocks and crystals around the sample. If uncertainty remains, collect a clean sample and ask a professional lab or experienced finder for testing.

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