Every mineral, crystal & gem
in one place.
Crystopedia covers all 6,304 IMA-recognised mineral species plus popular varieties and gemstones – chemistry, crystal systems, hardness, density and more, with traditional crystal lore for 321 favourite stones.
Found a stone and don't know what it is? Try the Crystal Identifier →
6,701pages
6,304mineral species
181varieties
4,142with photos
Popular crystals
AmethystSiO₂Mineral variety · H 7
Rose quartzSiO₂Mineral variety · H 7
QuartzSiO₂IMA mineral species · H 7
LabradoriteMineral variety · H 6 – 6.5
FluoriteCaF₂IMA mineral species · H 4
MalachiteCu₂(CO₃)(OH)₂IMA mineral species · H 3.5 – 4
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EmeraldMineral variety · H 7.6
PyriteFeS₂IMA mineral species · H 6
CitrineMineral variety · H 7
ObsidianRock · H 5 – 6
Lapis lazuliRock · H 5 – 6
MoonstoneMineral variety
Browse
💎 GemstonesPrecious & semi-precious stones and their parent minerals
✨ Healing CrystalsTraditional meanings, chakras & zodiac – filter by chakra
🔷 Crystal SystemsCubic, trigonal, monoclinic… the seven lattice families
🔎 Crystal IdentifierFound a stone? Pick its color, hardness & luster to find matches
💞 Crystal PairingsTraditional combos for love, calm, sleep, focus & more, or build your own
🦴 FossilsAmmonites, trilobites, petrified wood, Petoskey stones & amber
⭐ Star StonesAsterism: star sapphire, star ruby, Idaho star garnet, plus cat’s-eyes
⚠ Handle With CareRadioactive, toxic and fibrous minerals, and how to keep them safely
💎 Arkansas Stones & FossilsCrater of Diamonds, Mount Ida quartz, Magnet Cove and rockhounding rules
🕳 StalactitesAmethyst flowers, Inca rose rhodochrosite, Congo malachite
🪨 Geodes & NodulesHow geodes form, plus amethyst, celestite, Keokuk & thundereggs
✺ UV ReactiveMinerals that glow under black light: fluorite, willemite, Yooperlites & more
🎨 Stones by ColorPurple, blue, green, pink, black, iridescent and more: find stones by color
🔤 A–Z IndexEvery page, alphabetically