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Tourmaline & Feldspar Specimen 23



 
Sale Price: $7.95

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: TOURMALINEFELDSPAR_23
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Mineral Description
 
healing crystals

Southern California pegmatite black tourmaline in a white feldspar matrix. You will receive the exact specimen shown in the photograph. These are solid tourmaline's and not ones that break easy like so many other sites sell.

Black Tourmaline, or Schorl, is a crystal boron silicate mineral compounded with elements such as aluminum, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gem comes in a wide variety of colors.

The name comes from the Sinhalese word Thuramali meaning stone attracting ash (a reference to its pyroelectric properties) Black Tourmaline is the most common species of tourmaline.

Tourmaline is distinguished by its three-sided prisms; no other common mineral has three sides. Schorl and lithium-rich tourmalines are usually found in granite and granite pegmatite. Gem and specimen tourmaline is mined chiefly in Brazil, Africa and California. Tourmalines are favorites among mineral collectors. Black tourmalines can shine nicely and produce sharp crystal forms. Tourmalines are piezoelectric which means that when a crystal is heated or compressed (or vibrated) a different electrical charge will form at opposite ends of the crystal (an electrical potential).

Black tourmaline gemstone jewelry was very popular during the Victorian era in mourning. Native Americans have used pink and green tourmaline as funeral gifts for centuries. Brightly colored Sri Lankan gem tourmalines were brought to Europe in great quantities by the Dutch East India Company to satisfy a demand for curiosities and gems. At the time it was not realized that schorl and tourmaline were the same mineral.

HEALING PROPERTIES

Black Tourmaline is a powerful stone, with a long history among many cultures of providing protection during ritual work. It can be used for scrying, and was traditionally used to point out a cause of trouble or an offender, and to indicate a good direction in which to move. This article explores not only Black Tourmaline and it's use as a psychic shield, an electric stone, a luck talisman and more; but the second half of the article explores how it works in combination with quartz.

Black Tourmaline is best known as a grounding and protection stone.

It has the following associations: Element: Earth, Chakra: Root, Deity: Manat, the Arabian Goddess of Waning Moon, Time, Destiny and Death. Astrological: Capricorn and Libra Today Black Tourmaline is still revered as a premier talisman of protection. Think of it as a psychic shield deflecting and dispelling negative energies, entities, or destructive forces. Or you might think of it as a lightening rod, taking any negative energy and grounding it into Mama earth where she can transform it back into pure potential. It promotes a sense of power and self-confidence, allowing for a clearer, more objective view of the world. Black tourmaline is empowering to those who must live or work in challenging environments or when facing difficult circumstances.

Mystical Tradition says to rub black tourmaline for luck and happiness. This reputation as a powerful stone and a very lucky stone, might come from the piezoelectric qualities. When the tourmaline is rubbed it becomes charged with magnetic electricity and the luck intensifies.

PHYSICAL PROPERTIES

Color: Black, green, blue, watermelon, red among others.

Luster: Vitreous to sub metallic.

Transparency: Crystals are opaque.

Crystal System: Trigonal; 3 m.

Crystal Habit: Typically elongated three sided prisms. The terminations can be either a simple to complex trigonal pyramid or flat basal face. The prism faces are usually striated lengthwise. In cross section, all tourmalines will appear predominantly triangular in shape. Doubly terminated crystals are hemimorphic meaning that the two ends of the crystal are not exactly alike. Massive forms can also be found.

Cleavage: Absent although there is basal parting.

Fracture: Uneven to conchoidal.

Hardness: 7 - 7.5

Specific Gravity: 3.2+ (slightly heavier than average)

Streak: White

Other Characteristics: Piezoelectric

Associated Minerals: Those minerals associated with granitic pegmatites and metamorphic rocks such as micas, feldspars and quartz.

Best Field Indicators: Crystal habit, overall triangular cross-section, striations, color and hardness.


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