Raw Needle (Green) Elbaite Tourmaline 66 grams (Collection)
Raw Needle (Green) Elbaite Tourmaline 66 grams (Collection)
Description of the part
Elbaite Tourmaline (Green) Raw Canudo 66 grams (Collection)
Energy Meaning:
Recognized for its piezoelectric and pyroelectric properties, Tourmaline is a mineral with remarkable energetic interaction. The green variety, specifically, is associated with balancing and regenerative properties, acting as a natural stabilizer in the personal electromagnetic field. Its energy is channeled to promote focus, prosperity, and a strong connection with the vital forces of nature.
Gemological and Geological Characteristics:
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Crystal System: Trigonal. The crystals form predominantly in elongated prisms, often vertically striated, with hemimorphic terminations (where the two ends of the crystal have different shapes).
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Chemical Classification (Molecular Formula): Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄. Elbaite is a complex silicate of boron and aluminum, with sodium, lithium, and other cations occupying specific positions in its structure.
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Rarity: Elbaite Tourmaline is the most coveted and colorful variety of the Tourmaline group, considered a medium to high rarity mineral species . The occurrence of well-formed crystals, with defined cleavage and intense color, like this "straw" specimen, is particularly valued in the collector's market.
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Locality of Origin (Where it is Found): The most notable specimens of Elbaite come from pegmatitic deposits, especially from mines in Minas Gerais, Brazil , as well as locations such as Madagascar, Pakistan, and the state of California, USA.
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Chemical Composition: Its composition is complex and variable, but essentially it is a boron and aluminum silicate, with the critical presence of elements such as Sodium (Na), Lithium (Li) and, in the case of green varieties, traces of Chromium (Cr) and/or Vanadium (V) as chromophores.
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Mineral Class: Silicates. More specifically, it belongs to the Cyclosilicate group, characterized by its tetrahedral SiO₄ ring structure.
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Rock Composition (Host Environment): Elbaite Tourmaline is a typical mineral of granitic pegmatites . These geological environments are rich in volatile and rare elements, allowing the formation of large crystals with complex compositions.
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Rock Formation: Its genesis is closely linked to late-stage hydrothermal processes in the crystallization of granitic magmas. Hydrothermal fluids rich in boron, lithium, and other incompatible elements percolate through rock fractures, crystallizing in cavities and veins to form the beautiful prismatic crystals found in geodes and pegmatitic pockets.
Specimen Dimensions and Weight:
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Height: 4.5 cm
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Width: 3.00 cm
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Depth: 2.5 cm
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Weight: 66 grams
An Investment in Knowledge.
This specimen of raw green Elbaite tourmaline represents not only an object of natural beauty, but also a geological document. Its structure, color, and shape are direct evidence of the unique physical and chemical conditions of its formation environment, making it an essential acquisition for technical collections and enthusiasts of gemological science.
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