Zodiac sign
Cancer
Crystals associated with Cancer
Traditions associate different crystals, and sometimes they disagree. Each crystal shows the tradition that makes the association; its sources are on the crystal page.

Carnelian
Orange-red chalcedony colored by iron oxides. The Romans loved it for seals, because hot wax doesn't stick to it.
- Crystal tradition

Citrine
Lemon-colored quartz. It is rare in nature, which is why most citrine on the market started life as purple amethyst.
- Crystal tradition

Grey Moonstone
Moonstone in a smoky grey shade, with a soft glow that moves across the stone as you turn it. Crystal websites call it the "New Moon Stone".
- Crystal tradition

Larvikite
A dark igneous rock from Norway whose feldspar crystals flash silvery blue.
- Crystal tradition

Owyhee Blue Opal
Blue opal from Oregon, without the rainbow flashes of precious opal. Instead, it has the color of a pale sky.
- Crystal traditionUncertain

Peach Moonstone
Moonstone in a warm peach shade, with a soft glow that appears when you turn it in the light.
- Crystal tradition

Rainbow Moonstone with Black Tourmaline
A white stone with a blue glow and black specks. Its name promises two things, and both are more complicated than they sound.
- Crystal tradition