Stones/Gems with C

  • A real mineral; often means rock crystal (quartz)

  • A real rock; counts as a stone, though not a gem

  • A quartz variety used as a gemstone

  • Real mineral/stone; widely known and natural

  • A real gemstone, a type of chalcedony

  • Man‑made diamond simulant, common gem substitute

  • A durable paving stone made from natural rock.

  • Real mineral (celestite); sometimes gemmy

  • Variety of quartz, clear and colorless. Common crystal.

  • Diamond gemstone described by its cut, valid gem term

  • Hard mineral family incl. ruby & sapphire, key gemstone

  • Mineral strontium sulfate, pale blue gem and collector stone.

  • Trade name for stones showing chatoyancy eye effect.

  • Soft white rock (limestone type), used as chalk sticks.

  • Old term for red garnet or spinel, historic gem name.

  • Ancient turquoise‑like gem, prized by Greeks and Romans.

  • Mineral iolite; blue‑violet gem variety of cordierite.

  • Cryptocrystalline quartz family, many colored gem types.

  • Bright yellow diamond trade name, used in jewelry.

  • Lead carbonate mineral, sometimes cut as a soft gem.

  • A rounded natural stone, often used in building.

  • Old name for kyanite, blue aluminosilicate gem

  • Mercury sulfide mineral, bright red pigment stone

  • Catseye is a gemstone with a striking chatoyant band.

  • Carmite is a rare natural mineral.

  • Diamond variety; “clear” is a common trade description 💎

  • Copal is fossilized tree resin used as a gem.

  • A diamond is a natural gemstone prized for its brilliance 💎

De woorden op de lijst Stones/Gems with C zijn afkomstig van spelers van het woordspel Stadt, Land, Rivier.