Clear Quartz
Mineral identifier.What mineral is this?
Upload a mineral photo for a likely match based on crystal shape, luster and the rock around it. Then dig deeper in Snappit's kid-friendly field guide.
What did you find?
Drag a photo here, or choose one below.
JPG, PNG or WebP · Up to 10 MB
Upload a clear photo
Photograph several faces in neutral daylight with something for scale. Skip heavy filters, and include the surrounding rock if the mineral is embedded.
Garnet
Check the match
Compare the suggested name with what you see in your photo. Then open its field-guide entry for fun facts and look-alikes to rule out.
Collect and keep exploring
Browse the field guide here, or save your finds as collectible cards in the Snappit app. Build collections and learn something new together.
Meet the minerals
Real mineral cards from the Snappit field guide, from sparkly pyrite cubes to glassy quartz, with fun facts about how they formed. Tap one to look closer.
How to identify a mineral from a photo
Two shiny white specimens can be different minerals, while one mineral can come in several colors. Look at natural crystal form, how the surface reflects light and any repeated flat faces. A photo can narrow the options, but it can't replace tests for properties you can't see.
What to look at when identifying a mineral
Crystal form, if the shape is intact
When a mineral grows with room around it, its crystals can show a repeatable shape: cubes, six-sided prisms, thin sheets, needles or blocky grains. Even part of a crystal helps. Broken chunks are still useful, but original crystal form usually narrows things down faster than color.
Surface luster in ordinary light
Luster is the way a surface reflects light. Some minerals look glassy, others pearly, silky, earthy, waxy or metallic. Notice whether the shine comes from one smooth face, lots of tiny sparkles or a polished finish, because each gives a very different impression.
Flat cleavage faces versus irregular breaks
Many minerals split along internal planes, leaving repeated flat faces at consistent angles; that's called cleavage. Others break unevenly or with curved, shell-like fractures. In a photo, several matching flat faces mean something, but one sharp chip isn't enough on its own.
The surrounding rock matrix
Matrix is the rock attached to or surrounding the mineral. A white crystal lining a cavity, a brassy cube in dark shale or a clear vein cutting gray rock all suggest different candidates. The host rock won't identify the mineral by itself, but it adds useful context.
Compare real field-guide examples: Clear Quartz · Garnet · Aquamarine
Common look-alikes and how to tell them apart
- Mineral versus rock
A mineral is a naturally occurring solid with a characteristic chemical composition and an ordered internal structure. A rock contains one or more minerals. Distinct grains or textures show you have a mixed rock, though a visible crystal inside it may still be identifiable on its own.
- Glassy quartz versus blocky calcite
Quartz looks glassy and breaks with curved, shell-like fractures instead of flat faces, while calcite has three cleavage planes that make broken pieces look like slanted blocks. Color overlaps heavily, especially in white specimens, so surface geometry tells you more than whiteness.
- Metallic mineral versus metal or slag
A metallic mineral may form crystals, grainy masses or sparkly patches in rock. Man-made metal scraps and industrial slag often show bubbles, flow textures, sharp manufactured edges or a melted look. Brassy color doesn't settle it: pyrite, glinting mica and tarnished metal can all pass for gold.
How to read a rough mineral specimen
With a rough piece, ignore color for a moment and trace the biggest visible surfaces. Are there repeated flat faces, a pointed crystal tip, thin layers that peel, or a chunky mass with no clear crystal outline? Those structural clues hold up under different lighting much better than subtle shades of white, gray, cream or tan.
White minerals are a good example. Milky quartz usually looks glassy or slightly translucent with irregular breaks, while calcite and feldspars more often show flat cleavage faces. Gold-colored sparkle needs the same care: scattered glitter often comes from mica flakes, while brassy, solid-looking cubes point to pyrite rather than native gold.
What polished stones and minerals in rock can still show
Polishing hides some of the clues that make rough minerals easier to tell apart. Sharp crystal edges, weathered coatings and fresh breaks disappear. Even so, a polished stone can still show banding, translucence, color zoning, silky streaks, or coarse versus fine grain, and those patterns often stay readable in one clear image.
If the mineral is still attached to rock, include enough of the specimen to show the boundary between crystal and matrix. A white vein cutting darker rock, crystals lining a pocket or metallic grains sprinkled through granite each tell a different story. You can upload only one image, so compare your angles first and choose the one with the clearest texture contrast.
Photo tips for mineral IDs
Use soft daylight and tilt for luster
Window light or open shade shows luster better than harsh flash. Tilt the specimen slightly until the surface looks bright but not washed out.
Show the whole specimen, then the detail
Fill most of the frame with the sample, but keep enough matrix or outline in view to show whether it's a crystal, vein, nodule or mixed rock.
Choose the single clearest view
If one side shows flat cleavage faces and another shows only glare, use the first. One crisp photo helps more than a dramatic angle.
Mineral identification questions
How do I identify a white mineral from a photo?
Look past the color, since many minerals are white. What helps is whether the surface looks glassy or chalky, whether repeated flat cleavage faces show, how translucent it is, and whether it forms a vein, a crystal or a grainy mass.
I found gold-colored sparkles. Is it real gold?
Probably not. Gold-like shine is common. Mica gives scattered glitter, pyrite (fool's gold) looks brassy and often forms cubes, and metal scraps can shine the same way. Shape, luster and whether it forms crystals or sits in rock matter more than color.
Can a mineral be identified while it's still in the rock?
Often, yes. A photo works best when it shows the mineral with the surrounding rock, especially where they meet. Crystals lining a cavity, a pale vein crossing darker stone or metallic grains scattered through the matrix each point to different minerals.
Can I identify a polished or tumbled stone from a photo?
Yes, though polishing changes the evidence. It smooths away crystal faces and can give different minerals the same glossy look. What still helps is banding, translucence, color zoning, grain size and any pattern visible through the polish.
What if my specimen is rough, dusty or broken?
That's fine; rough pieces keep useful natural texture. Broken areas may reveal repeated cleavage faces or an irregular fracture. Photograph a clean, exposed surface, since dust or coatings hide detail, and expect a broader result if the mineral underneath isn't visible.
Can a photo tell me the exact composition or value?
No. A photo can suggest likely identities from what's visible, but composition, purity and value need hands-on testing. Market value also depends on size, quality, damage and whether a piece is natural or treated.
Is there a rock and mineral identifier app for kids?
Yes. Snappit is a free iPhone and Android app for kids exploring with a grown-up. Snap a rock, crystal or mineral and it suggests a match with short, kid-friendly facts, then turns it into a collectible card with a rarity tier in your family's private collection. No ads, no chat, free IDs every day, and an optional subscription for unlimited snaps.
What kind of photo gives the best mineral ID?
Use one sharp photo under even light against a plain background. Show natural crystal faces, a fresh break if there is one, and some attached rock when it's relevant. Many minerals look alike in one image, especially white, polished or weathered ones, so pick the view that best shows luster, crystal form or cleavage.
Further reading
The Snappit appAges 4+ · No ads
A discovery is just the beginning
Take what you learn here into Snappit and turn your next walk or day out into a shared adventure.
Keep your discoveries together
Save your discoveries as collectible cards in the app, with rarity tiers and themed collections to explore.
Facts for curious families
Short, friendly facts give young readers something to notice, ask about, and remember. The app is made for ages 4 and up, without ads.
Find a reason to look again
Discover new collection themes, try the daily discovery, and earn badges as you keep exploring together.
