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Michigan Pudding Stone -
MilleFiori Glass Cabochons (Man Made) -
Montana Moss Agate Cabochons -
Mookaite Jasper Cabochons -
Moroccan Seam Agate Cabochons -
Mushroom Rhyolite Cabochons -
Mushroom Rhyolite Slab .19 lb 6.25 in × 5.5 in × 0.25–0.30 in (159 mm × 140 mm × 6–8 mm) -
Mushroom Rhyolite Slab .19lb 5.25 in × 4.25 in × 0.25–0.30 in (133 mm × 108 mm × 6–8 mm) -
Mushroom Rhyolite Slab .21 lb 5.5 in × 5.0 in × 0.25–0.30 in (140 mm × 127 mm × 6–8 mm) -
Mushroom Rhyolite Slab .24lb 5.75 in × 5.25 in × 0.25–0.30 in (146 mm × 133 mm × 6–8 mm) -
Mushroom Rhyolite Slab .25lb 6.5 in × 5.75 in × 0.25–0.30 in (165 mm × 146 mm × 6–8 mm) -
Mushroom Rhyolite Slab .26lb 6.75 in × 5.75 in × 0.25–0.30 in (171 mm × 146 mm × 6–8 mm) -
Nellite Cabochons -
Noreena Jasper Cabochons -
Ohio Flint Cabochons -
Oolite Cabochons -
Opalite Cabachons (Man-made) -
Parral (Arbolito) Agate Cabochons -
Pastel Breccia Jasper Cabochons -
Peanut Obsidian Cabochons -
Pink Crinoid Cabochons -
Polish Flint Cabochons -
Polka Dot Agate/Jasper Cabochons -
Purple Turkey Agate Cabochons