This is a blog post that is VERY important, please understand that not every crystal can last a long time in the sun light.
When recharging your crystals it is important to look understand that there are different effects to every crystal with prolonged sun.
Amegreen - The color will fade when in sun too long. Made up of amethyst and prasiolite (green amethyst)
Amethyst- A member of the quartz family. Color will fade in the sun since the color comes from the iron in it.
Ametrine - The color will fade when in sun too long. Made up of amethyst and citrine.
Apatite- The color will fade in the sun.
Apophyllite - Can become brittle in the sun and color can fade.
Aquamarine - Direct sunlight will fade the blue to white if kept too long.
Auralite 23 - Primarily composed of amethyst, so it can fade.
Aventurine - A member of the quartz family and can fade in color.
Beryl - Can fade and get brittle in the sun.
Calcite - Can fade and get brittle in the sun.
Celestite- The blue will turn to white in the sun and get brittle and possibly break.
Chrysoprase - A member of the quartz family, it’s a green chalcedony, and it can fade or get brittle and crack.
Citrine - Since it’s a form of quartz, it will fade to a clear color within 4 hours in the sun
Clear Quartz - Can only withstand about 2 hours in the sun. Can get brittle and crack or break.
Fluorite - No more than 15 minutes in the sun. Gets very hot.
Hiddenite - The color will fade.
Kunzite - Will fade to white if kept in the sun too long.
Opal - Will lose its color in the sun, but it is okay in water.
Prasiolite - This is a green amethyst, and the color will fade.
Rose Quartz - Will fade in color in the sun.
Sapphire - Will lose whatever color sapphire it is.
Spirit Quartz - Will fade in color and clusters could ignite if in the sun too long.
Smoky Quartz - Loses its color to become grey or brown
Super Seven - Will fade in color.
Topaz - The color will fade when kept in sun for more than 8 hours. A yellow topaz will turn brown and a deeper color topaz will turn maroon.
Turquoise - Color can fade in the sun and be careful with time in water.
Crystals that are okay in the sunlight are: Black Obsidian, Black Onyx, Carnelian, Howlite, Jade, Labradorite, Lapis Lazuli, Moonstone, Morganite, Malachite, Sunstone, and Tourmaline