Fine Mineral Specimen - Museum-Quality Ruby on Calcite Matrix This is 27-carat ruby specimen from Afghanistan reprensenting natural corundum crystallization in its geological context. The specimen is classified as a Fine Mineral Specimen, this piece showcases the remarkable beauty of ruby formation in marble-hosted deposits. Collector & Geologist Highlights: Vivid Magenta-Pink Ruby Crystal - Primary hexagonal crystal displays exceptional color saturation with natural termination preserved Multi-Crystal Formation - Features prominent ruby crystal plus secondary purple-pink crystals embedded in matrix, demonstrating natural growth patterns Contrasting Matrix Composition - White calcite host rock with metallic inclusions (likely mica or pyrite) creates striking visual interest and geological context Natural Hexagonal Form - Well-preserved crystal structure showcases classic corundum morphology Geological Integrity - Specimen maintains natural relationship between ruby and host rock, ideal for educational and display purposes Afghan Provenance - Sourced from Afghanistan's renowned marble-hosted ruby deposits Geological Significance: This specimen demonstrates classic Afghan ruby occurrence in calcite/marble matrix. The visible metallic inclusions suggest metamorphic origin typical of the region's deposits. Color zoning visible in secondary crystals indicates variable chromium content during formation, offering insight into crystallization conditions. Specimen Details: Weight: 27 carats (0.3 kg total specimen) Dimensions: 25 x 20 x 12 mm Origin: Afghanistan Category: Fine Mineral Specimens Condition: Natural, unaltered specimen Perfect for mineral collectors, geologists, gemology students, and museum displays. This specimen combines aesthetic appeal with educational value, showcasing the natural beauty of ruby in its geological environment.
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