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History of Labradorite
Labradorite is named for where it was found in Labrador, a Canadian province on the Isle of Paul. Inuits once called labradorite a "fire stone" and would use powdered forms to help cure ailments. According to Inuit legend, a warrior saw the Northern Lights trapped in the rocks and struck them with his spear to free some of the lights. The stone was first described by Moravian missionaries of the late eighteenth century, introducing the stone into the European market. Labradorite is not exclusive to Canada however, and can also be found in Mexico, Russia and Finland. Since its discovery, labradorite has been a highly sought-after stone for use in jewelry. Other than jewelry applications, labradorite has been used in the production of glass, road construction and ceramic manufacturing.
Labradorite Metaphysical Properties
Labradorite is considered a tremendously spiritual stone, especially helpful for people who tend to overwork. It helps an individual regain energy while aiding the body and spirit in healing itself. In the metaphysical world, labradorite is considered one of the most powerful protectors. The gemstone creates a shield for auras and protects against negativity of the world. Labradorite is said to temper the negativity within ourselves as well. Labradorite is known for its changing colors, so it is no surprise this gemstone is known as a stone of transformation, enhancing strength of will and inner worth. The gemstone labradorite is said to stimulate the throat chakra. Though not associated with any zodiac sign, supposedly the sign of Cancer is especially drawn to labradorite.
Labradorite Geological Properties
Labradorite gemstones are a plagioclase mineral. Plagioclase minerals are feldspars that range from pure albite to pure anthorite. The gem labradorite falls into the 50-70% anthorite category with a 50-70% calcium to 30-50% sodium structure. Labradorite is most commonly known for its brilliant flashes of color called labradoressence caused by lamellar twinning inside the crystal. These twin lamellae structures are compatible at high temperatures, but not at low temperatures, resulting in separation and layering as the gemstone is formed. The extra colors you see in labradorite are caused by refracted light traveling at different speeds through the layers and coming out as a different wave length. A rare variety of labradorite--called spectrolite--displays a richer, fuller spectrum of colors than most.
Mineral Information: Calcium sodium feldspar
Chemical Composition: Na(AlSi3O8)Ca(Al2Si2O8)
Color: Grey to blue with green and blue flashes
Hardness: 6 to 6-1/2 (Mohs)
Specific Gravity: 2.69 - 2.70
Refractive Index: 1.560 - 1.568