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Chrysoberyl : BeAl2O4 | |
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Balangoda, Ratnapura, Sabaragamuwa Province, Sri Lanka 2.0 x 1.9 x 1.5 cm. A superb, gemmy and lustrous, honey-brown, V-twinned chrysoberyl crystal from the famed Ratnapura area of Sri Lanka. This complete all-around and undamaged beauty has textbook crystal form. A couple of the edge faces are frosted/contacted, but there is no damage, per se and the classic form is certainly not diminished. |
| © Rob Lavinsky | Photo ID: 163995 View Count: 128 |
Corundum : Al2O3 | |
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Ratnapura, Sabaragamuwa Province, Sri Lanka Crystal of colorless corundum with many lustrous faces on the front half of the crystal (hard to photograph). One end of the crystal is gemmy and could yield perhaps a 1 carat faceted gemstone. Overall size of mineral specimen: 15x9x8 mm. Size of individual crystals: 15 mm. |
| © 2003 John H. Betts | Photo ID: 10832 View Count: 471 |
Corundum : Al2O3 | |
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Ratnapura, Sabaragamuwa Province, Sri Lanka A perfect doubly terminated translucent colorless crystal of corundum measuring 16 x 12 x 35 mm in size. No damage and is complete all around with sharp well formed faces. Weighs 9 grams. The translucency is very good; a fine example for this species from the gem gravels of Sri Lanka! |
| © Dan Weinrich | Photo ID: 118787 View Count: 89 |
Corundum (Var: Ruby) : Al2O3 | |
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Ratnapura, Sabaragamuwa Province, Sri Lanka Colorful specimen of ruby corundum attached to small chunk of white marble matrix. Two crystal faces show typical striations, the back faces ore obscured by remnants of matrix. The crystal appears to be complete. Overall size of mineral specimen: 25x20x18 mm. Size of individual crystals: 15 mm. |
| © 2002 John H. Betts | Photo ID: 5772 View Count: 699 |
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Gem gravels, Ratnapura, Sabaragamuwa Province, Sri Lanka A complex floater gem sapphire crystal that is a combination of four members at various positions. Striated and with beautiful luster and zoning. A gem for sure! 1.2 x .90 inches. Crystal-Odyssey specimen. gemcrystals@aol.com |
| © Joseph A. Freilich | Photo ID: 77431 View Count: 1819 |
Corundum (Var: Sapphire) : Al2O3 | |
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Ratnapura, Sabaragamuwa Province, Sri Lanka Doubly-terminated crystal of sapphire corundum with classic 6-sided crystal form tapering towards both terminations. Fully crystallized on all faces with no point of attachment (a floater). No damage. Overall size of mineral specimen: 20x10x8 mm. Size of individual crystals: 20 mm. |
| © 2003 John H. Betts | Photo ID: 10839 View Count: 2735 |
Corundum (Var: Sapphire) : Al2O3 | |
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Ratnapura, Sabaragamuwa Province, Sri Lanka 11 x 6 x 4 mm. Trigonal spindle-shaped blue sapphire crystal. RFC 1534. |
| © Michael C. Roarke | Photo ID: 90531 View Count: 239 |
Corundum (Var: Sapphire) : Al2O3 | |
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Ratnapura, Sabaragamuwa Province, Sri Lanka Beautiful and gemmy crystal with a lovely blue to amber color. The luster is EXCEPTIONALLY good, with the form and aesthetics on this crystal being exactly what you would want from any uncut sapphire. ( This is natural and unheated!) 2.1 x 1 x 1 cm |
| © Rob Lavinsky | Photo ID: 20949 View Count: 557 |
Corundum (Var: Sapphire) : Al2O3 | |
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Ratnapura, Sabaragamuwa Province, Sri Lanka SHARP doubly-terminated floater with a stunning, unusually deep royal blue color! 2.5 x 0.4 x 0.4 cm |
| © Rob Lavinsky | Photo ID: 41673 View Count: 449 |
Corundum (Var: Sapphire) : Al2O3 | |
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Ratnapura, Sabaragamuwa Province, Sri Lanka A SUPERB, gemmy, doubly terminated sapphire crystal from Ratnapura, Sri Lanka. Ex Irv Brown TN Collection. Small, yes, but gorgeous riveting color! 1.6 x 0.5 x 0.4 cm |
| © Rob Lavinsky | Photo ID: 71826 View Count: 481 |
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