Rock crystal

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Rock crystal is colourless, transparent quartz, crystallised silica. It is the most common quartz and one of the most widespread minerals in the Earth's crust.

  • Colour: colourless, transparent.
  • Family and hardness: quartz (silica); Mohs hardness 7.
  • Traditional symbolism: It is traditionally said to be a symbol of clarity, and clear stones are credited with the ability to “amplify” the intentions of the person who wears them.
  • Care: Lukewarm water and mild soap, then dry. A transparent piece can concentrate light: do not leave it by a window next to fabric or paper.

“Crystal” glassware is not rock crystal: it is glass, often lead glass. Our crystal balls are made of optical glass, and we state this on their product pages.

Profile: Rock crystal

Colourcolourless, transparent
Mineral familyquartz (silica)
Hardness (Mohs scale)7
Contact with wateryes
Sun exposureyes
Traditional symbolismIt is traditionally said to be a symbol of clarity, and clear stones are credited with the ability to “amplify” the intentions of the person who wears them.
Traditional chakracrown (sometimes all the chakras)
CareLukewarm water and mild soap, then dry. A transparent piece can concentrate light: do not leave it by a window next to fabric or paper.
Good to know“Crystal” glassware is not rock crystal: it is glass, often lead glass. Our crystal balls are made of optical glass, and we state this on their product pages.

See all the stones in the glossary · Cleansing and recharging

The meanings given are traditions and symbolism, presented for their cultural and personal interest. They are not promises of results and do not replace the advice of a health professional.