**Complimentary Specimens** As a gesture of appreciation only, winning lots with a final hammer price above €50 will include one small additional mineral offered entirely free of charge. —————— 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 Portuguese National Post. • Dispatch time: within 1 to 3 business days after payment confirmation to Catawiki • Transit time with CTT service: between 5 to 7 business days within europe and worldwide, depending on destination national post. • A tracking number is always provided Photography and transparency: All photographs are taken under controlled lighting conditions using a macro lens, carefully selected to present each specimen as accurately as possible. No filters, colour enhancement, or artificial saturation are applied. The lighting setup uses a calibrated 5500K light source, replicating neutral daylight to reveal natural tones, surface features, and internal characteristics. Under warmer or weaker indoor lighting, colours may appear slightly different, which is normal. The purpose of this photographic process is documentation and representation, not visual enhancement. Images are intended to reflect the specimen faithfully as it appears under balanced natural light conditions. Identification and ethics: All specimens offered are natural and described to the best of our knowledge, based on direct sourcing, professional experience, and information provided by trusted suppliers working at the origin. Every effort is made to ensure transparency and accuracy regarding identification, locality, and general characteristics, avoiding misleading statements about treatment, provenance, or nature. 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 important. In the unlikely event of an issue such as loss, damage, or discrepancy, please contact us promptly through Catawiki’s messaging system. Each case is handled individually and fairly, with appropriate solutions offered when justified. Appreciation and commitment: We sincerely thank you for your trust. Our work focuses on careful selection, accurate representation, and respectful presentation of mineral specimens with character and interest. Each piece is chosen for its individual qualities rather than speculative or financial considerations. We aim to provide a transparent, reliable, and consistent experience for collectors at all levels. With gratitude, GemPulse Minerals