ESCRIPTION: This tsavorite presents a far more concentrated and structurally dynamic appearance than standard rough grossular material, combining intense chromium driven green saturation with a highly compact and sculptural morphology. The specimen immediately distinguishes itself through its powerful internal luminosity and complex surface architecture, where sharp vitreous reflections alternate with rounded natural dissolution textures and layered internal transparency. Its colour is dominated by a vivid neon green body with subtle yellowish green transitions concentrated along specific fracture zones and peripheral sections. Unlike more uniform tsavorite crystals, this specimen displays a richer chromatic complexity, where emerald green, electric lime and warmer golden green nuances coexist naturally within the same structure. Under strong illumination, these tonal variations become increasingly expressive, producing an almost glowing internal effect. The morphology is exceptionally compact and volumetric, giving the piece a strong visual density despite its relatively small dimensions. Rather than presenting elongated crystal development, the specimen forms a robust irregular mass with naturally sculpted contours, shallow depressions and fluid growth textures that create remarkable optical movement across the surface. One of the defining characteristics of this tsavorite is the interaction between transparency and internal structure. Several sections remain highly translucent, allowing light to penetrate deeply into the stone and illuminate the internal colour saturation from within. Other areas appear denser and more concentrated, reinforcing depth and generating a highly layered visual composition that changes significantly depending on viewing angle and lighting conditions. Natural surface textures are exceptionally expressive throughout the specimen. Curved dissolution features, irregular fracture planes and softened growth patterns create a fluid almost organic appearance, contrasting beautifully with sharper reflective zones that produce strong vitreous flashes under direct light. These features collectively give the stone a far more alive and energetic visual character than more static or uniform tsavorite rough. The yellowish green zones visible along portions of the structure add further individuality to the piece. Rather than appearing as unwanted colour interruption, these areas contribute to the specimen’s geological personality and reinforce its natural formation history through subtle compositional variation during crystal growth. Internal inclusions and natural structural features remain visible under magnification and transmitted light, fully supporting the authenticity of the material while enhancing the specimen’s collector appeal. The overall preservation remains excellent for this type of tsavorite rough, maintaining strong integrity throughout the crystal mass. Originating from the famous Tsavo region of Kenya, this specimen reflects the vivid saturation and energetic luminosity that have made tsavorites from this locality internationally celebrated among collectors and gemstone specialists. SPECIFICATIONS: • Weight: 0.33 g • Weight in carats: 1.65 ct • Dimensions: 9 × 6 × 4.5 mm • Origin: Tsavo region, Kenya • Mineral species: Grossular Garnet • Variety: Tsavorite • Crystal habit: Natural compact irregular crystal fragment • Colour: Vivid chromium green with secondary yellow green zones • Colour distribution: Naturally zoned with concentrated internal saturation • Transparency: Translucent to semi transparent • Lustre: Strong vitreous lustre • Surface features: Natural dissolution textures and reflective fracture surfaces • Formation environment: Chromium and vanadium enriched metamorphic deposits • Treatment: None • Condition: Natural, untreated, unpolished NOTABLE POINTS: • Highly vivid chromium driven green saturation • Strong internal neon like luminosity under illumination • Compact and visually dense crystal morphology • Natural yellow green zoning adding individuality • Excellent interaction between transparency and depth • Strong vitreous reflections across exposed surfaces • Sculptural natural surface architecture • Curved dissolution textures creating fluid optical behaviour • Layered internal colour concentration • Rich chromatic complexity beyond uniform green material • Dynamic light interaction from multiple viewing angles • Visible natural inclusions confirming geological authenticity • Excellent preservation for natural rough tsavorite • Origin from the prestigious Tsavo region of Kenya • Strong collector and display appeal despite compact size COLLECTOR’S INTEREST: This tsavorite stands out not through size alone, but through the remarkable concentration of colour, luminosity and structural complexity contained within such a compact specimen. Collectors often seek pieces capable of expressing strong visual intensity while preserving clear natural character, and this crystal achieves precisely that balance. The vivid chromium green saturation already gives the piece immediate presence, yet its true appeal emerges through the interplay between glowing translucency, reflective surfaces and naturally sculpted textures. The subtle yellow green zoning further enhances individuality, making the specimen visually distinctive among more uniform tsavorite material. Its compact proportions also contribute significantly to its aesthetic strength. Rather than appearing fragmented or visually weak, the specimen maintains a highly coherent and powerful structure that feels complete and visually balanced from every angle. For collectors who appreciate vivid colour combined with expressive natural morphology and strong optical behaviour, this tsavorite represents a highly attractive and character rich example from one of the world’s most respected localities. LAPIDARY POTENTIAL: From a lapidary perspective, the specimen contains several highly promising translucent green zones capable of yielding attractive material if carefully oriented during cutting. The vivid chromium saturation and strong internal luminosity suggest potential for stones with excellent brilliance and colour retention. However, the irregular morphology and complex zoning would require highly selective planning, as preserving the strongest saturated areas while managing inclusions and structural variation would be essential for optimising any final result. At the same time, the specimen possesses considerable value in its untouched natural form. Its sculptural textures, layered transparency and highly expressive optical behaviour give it a strong collector identity that would be partially lost through faceting. For this reason, preservation as a natural collector specimen remains an equally compelling and arguably more desirable option. ————— 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 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