The composition and structure of the minerals, their inclusions, the interference of the light within it and the movement that we give you, will optical effects amazing in some stones. The main ones are the ten following although can be specifically many more and these seen with the naked eye.
Some of the most common are:
- AVENTURESCENCIA: the Phenomenon of glare and brightness within the stone.
Stone of the Sun, Aventurine, Obsidian, Iolita, Stellaria Blue.
- BIRREFRIGENCIA: When exposed to light, it seems that it is divided in two.
Manganocalcita, Calcite, Tourmaline.
- ADULARESCENCIA: mirror Effect and bluish glow.
Labradorite and Moon Stone.
- PHOSPHORESCENCE: With low-light shines more.
Fluorite, Opal, Aragonite, Calcite, and Halite.
- EFFECT SCHILLER or LABRADORESCENCIA: special Glow with mirage or reflections of various colors.
Labradorite and Larvikita.


- PLEOCROISMO: Ability to change color depending on the direction that is given to you.
Tanzanite, Iolita, Muscovite and Lepidolita.
- ASTERISM: The splashes of light in its interior to form a star.
Emerald, Ruby and Sapphire.
- CHATOYANCY OR CAT's EYE EFFECT: the Appearance of a luminous band white reminiscent of the iris of the eye of a cat.
Obsidian, Opal, Tiger's Eye, Chrysoberyl.
- OPALESCENCE: iridescent Glow of several colors at the change of angle.
Opal, Moon Stone, Milky Quartz, Chalcedony, Bismuth.
- IRIDESCENCE: a Reflection of the colors of the rainbow.
Fire agate, Pearl and mother-of-Pearl.
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Universe Serendipity. Blog of Natural and Energy Stones: *Optical effects*. Handcrafted Jewelry. Reiki and Energetic, Emotional, and Spiritual Lithotherapy.