Identify Rocks, Minerals, and Crystals
Found something interesting on a hike or beach? Our AI rock and mineral identifier names igneous, sedimentary, and metamorphic rocks, plus gems, crystals, fossils, and meteorites. Get composition, hardness, formation, and rarity in seconds.
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Why identifying rocks matters
That heavy black rock might be ordinary basalt or a meteorite. That sparkly cluster might be quartz or a rarer gem. Identification is what separates a curious find from a valuable specimen.
What helps identify rocks
Color and Luster
How a rock or mineral reflects light (metallic, glassy, dull, pearly) is one of the most distinguishing features.
Crystal Shape
Cubic, hexagonal, prismatic, or amorphous structure points to specific mineral families: pyrite, quartz, tourmaline, obsidian.
Texture and Grain Size
Coarse vs fine grain, layered vs uniform, indicates whether a rock is igneous, sedimentary, or metamorphic.
Weight and Hardness
Density and how easily a rock scratches help narrow possibilities. Mention if your sample feels unusually heavy or hard.
Photo tips for the best identification
- 1Photograph the specimen on a plain background in natural light.
- 2Include both a wide shot and a close-up of any crystals or interesting textures.
- 3If the rock has multiple sides, include 2-3 angles. Color and structure can vary.
- 4Note where you found it. Beach, mountain, desert, riverbed all give big clues.
Frequently asked questions
Can it identify gemstones?
Yes. Common gems like amethyst, citrine, tourmaline, garnet, and turquoise are recognized. Cut and polished stones are easier than rough specimens.
What about fossils?
Common fossils (ammonites, trilobites, shark teeth, plant impressions) are identified, along with the geological era they come from.
Could my rock be a meteorite?
Meteorites are rare but the AI can flag candidates based on visual features (fusion crust, regmaglypts, magnetism). For confirmation, get it tested by a professional.
Identify rocks on the go
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