Description
Mauve Tourmaline Mineral – Natural Brazilian Specimen
This Mauve Tourmaline mineral specimen from Brazil is a naturally formed crystal displaying delicate purple to pinkish-mauve tones. The photographs show the exact specimen you will receive, carefully selected for its colour, crystal structure, and overall presentation. Full sizing details are available in the listing photos. This crystal is a genuine specimen and includes a Certificate of Authenticity lifetime guarantee generic card.
Brazil is internationally recognised as one of the most significant sources of fine tourmaline specimens, producing a wide spectrum of colours and crystal forms.
Mineral Species and Chemical Composition
Tourmaline is a complex borosilicate mineral group with a variable chemical composition. Mauve or pinkish-purple tourmaline is most commonly associated with the elbaite species, a lithium-rich variety within the tourmaline group. Elbaite has a general formula that includes sodium, lithium, aluminium, boron, silicon, and oxygen, with trace elements influencing colour.
The mauve colouring typically results from trace amounts of manganese within the crystal structure. Subtle variations in trace element concentration can create a range of hues from pale lilac to deeper rose-purple tones.
Tourmaline crystallises in the trigonal crystal system and commonly forms elongated, vertically striated prismatic crystals.
Crystal Structure and Physical Properties
Elbaite tourmaline crystals often display long, columnar habits with distinct vertical striations running along the prism faces. Terminations may be flat, pyramidal, or slightly uneven depending on growth conditions.
Tourmaline has a Mohs hardness of approximately 7 to 7.5, making it relatively durable compared to many other mineral species. It exhibits a vitreous lustre and may range from transparent to translucent depending on clarity and internal inclusions.
Tourmaline is also known for its pleochroism, meaning the colour may appear slightly different when viewed from different angles under light.
Geological Formation in Brazil
Brazilian tourmaline forms primarily in granitic pegmatites—coarse-grained igneous rocks rich in volatile elements such as boron and lithium. During the late stages of magma crystallisation, mineral-rich fluids concentrate rare elements, allowing complex minerals like elbaite to crystallise in open cavities.
These pegmatite environments often host associated minerals such as quartz, feldspar, lepidolite, spodumene, and mica. Brazil’s pegmatite districts are world-famous for producing gem-quality and collector-grade tourmaline specimens in a wide range of colours.
The mauve tones in this specimen reflect the specific chemical conditions present during its growth within the pegmatite environment.
Appearance and Natural Characteristics
This Mauve Tourmaline specimen displays natural purple to pinkish tones with characteristic prismatic crystal form. Surface striations, minor inclusions, or slight natural irregularities are typical and reflect authentic geological formation.
Each tourmaline crystal is unique in colour distribution, termination shape, and internal structure, making this a distinctive addition to any mineral collection.
Collecting and Display
Mauve tourmaline from Brazil is highly regarded among mineral collectors for both its colour and geological significance. It makes an attractive display specimen for cabinets, shelves, or educational collections focused on pegmatite minerals.
In spiritual traditions, pink and purple tourmaline varieties are traditionally associated with emotional balance and compassion. These interpretations are belief-based perspectives rather than scientific claims.
Authenticity and Exact Specimen
You will receive the exact Mauve Tourmaline mineral specimen shown in the photographs. It has been individually selected for quality and visual appeal. This crystal is a genuine Brazilian tourmaline and includes a Certificate of Authenticity lifetime guarantee generic card.
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