Sun

Sunshine is wonderful for many crystals. Clear rock crystal quartz especially love it.  Putting many of your crystals out in the sun to cleanse is perfectly OK.  There are things you should be aware of.  For instance, it is highly suggested that you do not allow your crystals to sit in hot, direct sunlight. 

Some crystals may fracture with sudden temperature changes or while under intense heat.  Clarified quartz (treated spheres) generates increased heat, acting similar to a magnifying glass, which could be a fire hazard.  Others will fade and depending on the species it could be only a matter of minutes, hours, or days).

Here is a list of crystals that are light sensitive:

  • Amazonite
  • Amethyst
  • Ametrine
  • Apatite (Pink)
  • Aquamarine
  • Barite (Blue)
  • Calcite
  • Celestite
  • Citrine
  • Danburite
  • Fluorapatite (Pink)
  • Fluorite
  • Halite, Blue
  • Realgar
  • Rose Quartz
  • Sodalite (Var. Hackmanite)
  • Smoky Quartz
  • Spodumene (Hiddenite, Kunzite)
  • Sulfur
  • Topaz (Brown, Sherry, Blue)
  • Tourmaline (Pink, Red)
  • Vanadinite
  • Zircon

These next crystals may darken when exposed to sunlight from as little as a few minutes to an extended period:

  • Barite (Some Barite turns blue when exposed to sunlight)
  • Cinnabar (possible if Antimony or halogens occur within the crystals).
  • Crocoite
  • Phosphovanadylite-Ca
  • Sodalite (Var. Hackmanite)
  • Vivianite
  • Any crystal that has been irradiated to change/intensify the color has a tendency to fade in sunlight. These would include:
  • Scapolite, Purple
  • Topaz
  • Some Tourmalines (Red, Pink)
  • Some Spodumenes (Hiddenite, Kunzite)

Enhydros (crystals with water bubbles trapped within the crystal itself) should never be left in the sun as they may explode or craze.  In short, liquid, heat, boil, boom.

Sulphur will fall apart under even a mild exposure to sunlight, and could melt under intense sunlight.  Gaseous fumes (sulfur dioxide and trioxide) may also be released with exposure to intense sunlight, which could make you ill.

Realgar, Orpiment, and many silver minerals will completely change under any light exposure in only a few minutes.

Information researched by Kristi Hugs. This information is included in the book Crystal Basics 101 by Kristi Hugs. Copyright. All Rights Reserved.

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