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Showing 337–364 of 418 results

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  Siderite 0.84cts Trillion Cut 6.00 x 6.00mm Pakistan T732

  $36.00
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  Siderite 1.01 ct

  $43.00
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  Siderite 2.09 ct

  $44.00
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  Silver 6.12 ct Octagon Cut 7.49 x 7.61mm g5687

  $83.00
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  Skutterudite 6.50 ct

  $60.00
• 

  Smithsonite Pink 2.42 ct

  $35.00
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  Sonolite 1.15 ct Cushion Cut 7.50 x 5.40 x 3.50 Wales/UK max2591

  $36.00
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  Spessartine Garnet 1.45cts 7.00 x 6.70mm Pakistan T945

  $27.00
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  Sphene 1.44 ct

  $100.00
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  Spurrite 2.66 ct Fancy Cut 10.80 x 9.60 x 4.80 mm New Mexicoz136

  $105.00
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  Stichtite 2.00 ct

  $80.00
• 

  Stick Agate 28.08 ct

  $95.00
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  Stilbite Green 3.76 ct

  $40.00
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  Stromatolite Collenia Undosa Fossil Proterozoic (2.1 b.y.o.) 24.864 ct

  $440.00
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  Stromatolite Collenia Undosa Fossil Proterozoic (2.1 b.y.o.) 5.47 ct

  $75.00
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  Stromatolite Collenia Undosa Fossil Proterozoic (2.1 b.y.o.) 5.56 ct

  $75.00
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  Syngenite 1.52cts Cushion Cut 10.90 x 7.50mm Ukraine c014

  $248.00
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  Tantalite 0.82 ct

  $66.00
• 

  Tarbuttite 3.03cts Trillion Cut 8.44 x 8.42mm H4 Namibia Y10253

  $193.00
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  Tawmawite 1.57 ct

  $50.00
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  Tephroite 2.89cts Trillion Cut 9.20 x 9.20mm N.Y. U.S.A H6 g0503

  $102.00
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  Texas Agate 8.17cts Trillion Cut 15.00 x 15.00mm H7 U.S.A. T459

  $108.00
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  Thalenite (Y) 4.73 ct Trillion Cut 10.4 X 10.3 X mm y98516

  $120.00
• 

  Thalenite (Y) allanite (Ce) 4.40 ct Fancy Cut 9.80 x 9.60 mm y265

  $113.00
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  Thomsonite 3.29 ct

  $135.00
• 

  Topaz with Muscovite 7.34 ct Trillion Cut with Inclusion 12.30 x 12.300mm H8 Y0231

  $258.00
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  Tourmaline 0.81 ct

  $30.00
• 

  Tourmaline 2.39 ct

  $120.00