Maury Mountain Moss Agate Lapidary slab weighing 17.8 oz (510 grams) .
Maury Mountain Moss Agate Slab 6.8 oz (190 grams)
Medicine Bow Plume Agate lapidary slab 7.8 oz (220 grams)
Mexican Fire Opal Orange 33.5 cts Honey 44.0cts Facet Rough
Montana Dryhead agate 0.8 oz lapidary heel slab (20 grams)
Moroccan Amethyst lapidary cabochon slab 2.4 oz (70 grams)
Moroccan Jasper Agate 2.5lb lapidary slab (1162 grams)
Moroccan Jasper Agate 3.2lb lapidary slab (1463 grams)
Moroccan Jasper Agate lapidary slab 12.5 oz (355 grams)
Moroccan Jasper Agate lapidary slab 16.4 oz (465 grams)
Moroccan Jasper Agate lapidary slab 19.4 oz (550 grams)
Moroccan Jasper Agate lapidary slab 19.8 oz (560 grams)
Moroccan Jasper Agate lapidary slab 9.8 oz (280 grams)
Morocco Jasper Agate 1 lb lapidary slab
Morocco Jasper Agate 12.2 ounces lapidary slab
Morrisonite Porcelain Picture Jasper 2 pieces rough 2.1 oz (60 grams)
Morrisonite Picture Porcelain Jasper Cabochon rough 2.2 oz (65 grams)
Morrisonite Picture Porcelain Jasper Cabochon rough 3.8 oz (110 grams)
Morrisonite Picture Porcelain Jasper Cabochon rough 6.8 oz (195 grams)
Morrisonite Picture Porcelain Jasper 2 pieces rough 3 oz (85 grams)
