**Complimentary Specimens** As a gesture of appreciation, every winning lot above €50 will include one extra mineral, added entirely free of charge. For each additional €50, another complimentary specimen will be added. —————— Description: This tanzanite presents itself as a condensed monument of colour and structure, where lilac violet hues dissolve gradually into deep midnight blue, forming a natural chromatic dialogue within the crystal. The transition is fluid and organic, not abrupt, revealing a genuine bicolour expression shaped by geological time rather than human intervention. Its multiple terminations rise with sculptural clarity, creating an architectural silhouette that feels both raw and deliberate. Light enters the crystal and fractures internally, igniting flashes of cool violet, indigo and steel blue that shift with every movement, giving the piece a quiet but persistent radiance. Despite its minimal size, this tanzanite carries remarkable presence. The elegance of its structure, the precision of its natural terminations and the harmony of its colour zoning elevate it far beyond scale. It is a crystal that rewards close observation, revealing complexity, depth and refinement in every angle, equally compelling as a collector specimen or as a future lapidary inspiration. Specifications: • Weight: 0.36 g • Weight in carats: 1.80 ct • Dimensions: 10 x 7 x 3 mm • Origin: Merelani Hills - Block D, Tanzania • Mineral: Tanzanite • Crystal habit: Naturally formed crystal with multiple terminations • Colour: Bicolour lilac violet transitioning into midnight blue • Colour zoning: Natural and gradual internal zoning • Transparency: Transparent to translucent • Lustre: Vitreous • Condition: Natural, unpolished, untreated Notable Points: • Natural bicolour tanzanite showing a clear transition from lilac violet to deep midnight blue • Distinct natural colour zoning, gradual and harmonious, without abrupt separation • Multiple natural terminations forming an architectural, sculptural silhouette • Well defined crystal faces with sharp edges and clean geometry • Strong vitreous lustre enhancing internal reflections and colour depth • Transparent to translucent body allowing light to travel through the crystal • Complex internal structure with visible growth lines and natural inclusions • Elegant vertical development giving the specimen a refined architectural presence • Compact crystal with high visual impact despite its minimal size • Untreated, unpolished specimen preserving its original geological character Collector’s Interest: Tanzanite specimens from Merelani Hills, Block D with natural bicolour zoning and multiple terminations are increasingly difficult to source. This piece stands out for its compositional elegance and structural integrity, making it an appealing acquisition for collectors seeking character, rarity and geological authenticity rather than sheer scale. Lapidary Potential: While already compelling as a specimen, this crystal also offers strong lapidary potential. The clean colour transition and internal clarity could translate into an exceptional small but high value gemstone, particularly suited for bespoke jewellery where rarity and story outweigh size. —————— Shipping and Handling: All orders are shipped by UPS express or National Express. • Dispatch time: within 1 to 2 business days after payment confirmation to Catawiki • Transit time with Express service: up to 3 business days within europe and worldwide • 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 colour of each specimen. No filters, colour enhancement, or artificial saturation were applied. The lighting setup uses a calibrated 5500K light source, which replicates neutral daylight and reveals the true tones and clarity of the mineral. Under weaker or more yellow indoor lighting, colours may appear slightly different, which is normal and expected. The purpose of this setup is to present each specimen exactly as it appears in balanced natural daylight, allowing buyers to appreciate its authentic colour and lustre 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