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Tourmaline

Dark green Elbaite TourmalineReddish-purple Rubellite Tourmaline
Tourmaline comes in many colours - but primarily in pink and green. It is beautiful in rings, necklaces, and pendants.
General Information Where foundSearch
Birthstones Anniversary*Lore
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Colour Green, red, blue, purple, pink, yellow, orange, brown, colourless, white, black. Very often multicoloured, with a seemingly unlimited amount of colour combinations.
Hardness 7 - 7½
Specific Gravity 3.0 - 3.3
Refractive Index 1.616 - 1.650
Double Refraction .018
Lustre Vitreous Some black and brown specimens are dull.
Composition (Na,Ca)(Mg,Li,Al,Fe2+)3Al6B3Si6(OH)4

General Information 

As with all gems, protect tourmaline from scratches and sharp blows. Also avoid large temperature changes (such as leaving it be a heater vent or in a hot car). Do not clean tourmaline in a home ultrasonic cleaner.

Where Tourmaline is found

Tourmaline is found in Africa, Brazil, Madagascar, Mexico, Myanmar, Sri Lanka, and USA (California, Connecticut, Maine, New York and Texas). 

General Information Where foundSearch
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All Gemstone Information Main Birthstone Page

Birthstone Months with Tourmaline

bulletOctober: Modern/Traditional Birthstone; Other Birthstone (Pink Tourmaline)

Anniversary Gemstone for Tourmaline

Tourmaline is the anniversary gemstone for the 8th year of marriage.

Tourmaline Mystical Properties

Pink Tourmaline promotes female balance and protection. Green Tourmaline promotes male balance.

Tourmaline is said to be excellent for balancing left and right brain, as well as all of the chakras. Gives the user discernment and "sight" into a given situation. 

More Tourmaline Lore

According to legend, all colours of tourmaline protect the wearer against many dangers and misfortune.

Tourmaline is both pyroelectric and piezoelectric. If a specimen is put under a pressure or temperature change, it will generate an electrical charge. (Dust particles will become attached to crystal ends in such cases). Tourmaline was used in the 1700's and 1800's to clean out ash and dust from smoking pipes.

Tourmaline is the US State Gemstone of Maine. Black Button Tourmaline is the US State Gemstone of New York.

General Information Where foundSearch
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All Gemstone Information Main Birthstone Page
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