27.29 Ct. Cabochon White Opal from Burma (Myanmar)

This specimen is a single, round, opaque green jade cabochon originating from Burma Myanmar, supplied by The Natural Gemstone Company. It weighs 27.29 carats and measures 17.93 by 17.76 by 10.02 millimeters, presenting a substantial presence that is well suited to a bold ring or a prominent pendant. The cut is a classic high domed cabochon, executed to present even curvature and light response across the surface. Color intensity is described as dark green, with a deep and consistent saturation that gives the gem a refined, traditional character. Clarity is graded as eye clean when viewed at eye level, with no internal inclusions affecting the visual plane, and the finish is an excellent polish that enhances surface luster and the tactile smoothness expected of quality cabochon work. There are no detected enhancements or treatments, and the natural origin from Burma Myanmar is noted in our records for provenance and documentation.

From a gemological perspective this piece is consistent with high quality jade, most commonly jadeite when sourced from Burma, and displays the toughness and tactile appeal associated with that material. On the Mohs hardness scale jadeite typically registers between 6.5 and 7.0, which provides good resistance to scratches from many everyday materials and greater durability than many other attractive gemstones. For comparison, White Opal, which is a common and popular opal type and which we also reference in our inventory, typically ranges between 5.5 and 6.5 on the Mohs scale, making it generally softer and more susceptible to surface abrasion than jadeite. The relative hardness of this Burmese jade makes it more suitable for daily wear applications than most opal varieties, while retaining a degree of workability for lapidary shaping and a polish that presents well in jewelry. Hardness is one element of durability and should be understood alongside toughness and cleavage properties. Jade is notably tough and resistant to fracturing due to its interlocking fibrous or granular structure, which complements the hardness rating and contributes to long term wearability.

The cabochon form and excellent polish of this piece suggest specific lapidary and setting considerations to maximize both appearance and protection. A deep domed cabochon such as this benefits from a secure bezel or partial bezel setting that protects the girdle and reduces the chance of edge chipping, while still allowing the domed face to read clearly against light. Given the size and weight of the stone 27.29 carats and nearly 18 millimeters in diameter it performs as a statement element in a ring or a pendant where the weight can be distributed across a robust mounting. The dark green tone pairs well with yellow gold for a traditional look, with white gold or platinum for a more contemporary contrast, however the choice of metal should prioritize secure bezel or low prong configurations to protect the cabochon. Because there are no enhancements reported this specimen retains its natural surface and color characteristics, which simplifies considerations for long term care and assessment for future provenance or certification.

Care and handling recommendations reflect the material properties and the lack of enhancement. Clean with warm soapy water and a soft brush or cloth, rinse thoroughly and dry with a soft lint free cloth after cleaning. Avoid prolonged exposure to strong acids alkaline chemicals or household solvents, and avoid extreme thermal shock that can compromise any natural stone. Ultrasonic cleaners and steam cleaning are generally not recommended for colored stones where internal structure or undetected moisture could be present, therefore a conservative approach to cleaning is advised. For storage keep the cabochon separate from harder gemstones such as diamonds and sapphires to prevent surface abrasion. The Natural Gemstone Company documents provenance details and will provide measurements 17.93 by 17.76 by 10.02 millimeters, weight 27.29 carats, shape round, cut cabochon, clarity eye clean at eye level, color dark green, polish excellent, enhancement none, origin Burma Myanmar, and opal type White Opal referenced for comparison and inventory completeness. This information supports appraisal and design decisions and provides a clear factual foundation for use in custom jewelry projects.