Smoky Quartz

Smoky quartz is a variety of quartz, a very common mineral composed mainly of silicon dioxide (SiO₂). Its distinctive feature lies in its color, which ranges from translucent light brown to deep black, giving it a "smoky" appearance that is highly valued in jewelry and lithotherapy.

Main features:

  • Color : Pale brown to opaque black. The tint is due to the crystal's natural exposure to radiation from nearby radioactive materials (such as uranium), which changes the structure of the silicon in the crystal.

  • Transparency : Transparent to translucent.

  • Hardness : 7 on the Mohs scale (therefore quite resistant).

  • Crystal system : Trigonal (like all quartz).

  • Origin : Found in many countries, including Brazil, Switzerland, Madagascar, Scotland, the United States, and Ukraine.

Uses:

  • Jewelry : Used in rings, necklaces, pendants, often cut into cabochons or facets.

  • Decoration : Sometimes used in sculptures or decorative objects.

  • Lithotherapy :

    • Would promote anchoring and emotional stability.

    • Would help overcome fear, stress and negative energies.

    • Would be a stone of energetic protection.

Interesting facts:

  • Smoky quartz is the national stone of Scotland , where it is often called cairngorm , after the Cairngorm Mountains.

  • Some very dark specimens are sometimes confused with morion quartz, which is an even darker form of smoky quartz.

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List of Stones & Minerals

Smoky quartz belongs to the large family of microcrystalline quartz. This smoky color, with all tones of brown to black, is due to the natural irradiation of the aluminum salts it contains. In fact, this color is caused by the presence of radioactivity in the natural environment where the mineral evolved.

This rock crystal is silicon dioxide and comes from magmatic formation. It has a hardness of 7 on the Mohs scale. It is often translucent, rarely opaque with a vitreous sheen.