Description: Like a pulse of vivid life suspended within a crystalline boundary, this Watermelon Tourmaline reveals a perfectly orchestrated concentric structure where colour unfolds with striking clarity and natural precision. At first glance, the eye is irresistibly drawn to the glowing centre, a saturated pink core that appears almost alive, radiating outward through successive layers of transformation. At its heart lies an intense pink nucleus, rich and expressive, shifting between deep raspberry and bright vivid pink depending on the angle and lighting. This central zone is not flat or static but carries a subtle internal diffusion, giving it a luminous, almost fluid presence, as if light were gently circulating within it. Surrounding this core, a delicate transitional halo emerges, pale and softly diffused, acting as a natural bridge between the intensity of the centre and the outer structure. This incolour to milky zone is clean and continuous, clearly readable and exceptionally well defined, marking a distinct phase in the crystal’s growth history while enhancing the overall sense of depth. Beyond this, the crystal evolves into its outermost layer, where green tones develop with increasing presence. Under ambient light, this zone presents a balanced green with soft tonal restraint, yet when backlit, it transforms dramatically into a vibrant lime green, creating a powerful chromatic contrast against the ignited pink core. This dynamic optical behaviour gives the specimen a dual character, calm and refined under natural light, yet vivid and electrified under illumination. The slice preserves its natural geometry, with softly irregular edges that reflect its original prismatic form. Fine longitudinal growth features remain subtly visible along the outer boundary, reinforcing its authenticity and natural origin. Internally, delicate inclusions and growth textures contribute to the layered complexity without disturbing the visual harmony. This is a specimen where colour zoning is not merely present but exceptionally legible, balanced and expressive. The transition from pink to colourless to green unfolds with clarity and elegance, creating a natural composition that feels both precise and organic. Specifications: • Weight: 0.32 g • Weight in carats: 1.60 ct • Dimensions: 7 × 7 × 3 mm • Origin: Minas Gerais, Brazil • Mineral species: Tourmaline • Variety: Watermelon Tourmaline • Crystal system: Trigonal • Form: Natural crystal slice • Core structure: Single vivid pink core • Colour zoning: Concentric zoning • Colour sequence: Pink core, pale incolour halo, green outer zone shifting to lime under backlighting • Transparency: Translucent to locally transparent • Lustre: Vitreous • Treatment: None • Condition: Natural, intact slice Notable Points: • Vivid and highly expressive pink core with strong internal luminosity • Clean and well defined transitional halo enhancing zoning readability • Distinct colour progression from pink to incolour to green • Outer green zone showing strong lime transformation under backlighting • Excellent optical response with dynamic colour behaviour • Balanced concentric zoning with clear structural separation • Natural slice preserving original crystal geometry • Subtle internal inclusions adding depth without visual interference • Fine growth features visible along the outer edges • Strong contrast between core and outer zone enhancing visual impact • High transparency allowing effective light transmission • Highly aesthetic and photogenic specimen with strong visual identity Collector’s Interest: Watermelon Tourmalines with such clearly defined and readable zoning are increasingly sought after, particularly when the transition between zones is both clean and visually balanced. This specimen stands out through its luminous pink core, well resolved halo and the dynamic green to lime outer zone, offering a refined and highly legible expression of classic watermelon structure. Its strong optical response under backlighting further elevates its appeal, making it not only a mineralogical specimen but also a visually engaging piece that reveals different personalities depending on illumination. Lapidary Potential: Although the internal colour and transparency could attract lapidary consideration, any cutting would irreversibly destroy the concentric zoning that defines this specimen. The relationship between core, halo and outer zone is the essence of its value, and as such, it is best preserved in its natural slice form. ——————— Shipping and Handling: All orders are shipped by Portuguese National Post and UPS • Dispatch time: within 1 to 3 business days after payment confirmation to Catawiki • Transit time service: between 2 to 5 business days within europe and worldwide, depending on destination national post. • A tracking number is always provided Photography and transparency: All photos were taken under controlled light conditions, carefully selected to reproduce the most accurate natural color of each specimen. No filters, color enhancement, or artificial saturation were applied. The lighting setup is used exclusively to represent the piece as it appears under neutral daylight, ensuring that buyers can appreciate its true tones and luster without distortion. Identification and ethics: All specimens offered are guaranteed natural and as described. Their origin and mineral identification are provided with the most accurate and reliable information available. Every effort is made to ensure that each piece is presented with full transparency, avoiding any misleading details regarding its nature, treatment, or provenance. Customs and import taxes: Any customs duties, import fees, or local taxes applied by the destination country are entirely the responsibility of the winning bidder. These charges are not included in the auction price or shipping cost and are determined by the buyer’s local authorities. Guarantee and resolution: Customer satisfaction is a priority. In the event of any issue, such as loss, damage, or discrepancy, please contact us immediately through Catawiki’s messaging system. We will always find a fair and suitable solution, including refund, replacement, or other commercial arrangements whenever justified. Appreciation and commitment: We sincerely thank you for your trust and preference. Our goal is to continuously bring you some of the most beautiful, unique, and exceptional mineral specimens from around the world. Each piece is carefully selected for its quality and character, ensuring that every purchase meets the highest standards. Your satisfaction and confidence are our top priorities, and we will always strive to exceed your expectations with every order. With gratitude, GemPulse Minerals