The following Tumbled Stones are in this categroy...
Blue Agate, Blue Lace Agate, Grey Botswana Agate, Pink Botswana Agate, Crazy Lace Agate, Fire Agate, Green Agate, Green Moss Agate, Natural Agate, Pink Agate, Pink Moss Agate, Purple Agate, Teal Agate, Tree Agate, Turitella Agate, Amazonite, Amethyst, Amethyst Chevron, Amethyst Chips, Amethyst Mini Points, Ametrine, Angelite, Apache Tear, Blue Apatite, Aquamarine, Blue Aragonite, Atlantisite, Green Aventurine, Red Aventurine, Azurite Malachite, Blue Beryl, Bloodstone, Bronzite, Buddstone, Blue Calcite, Honey Calcite, Mangano Calcite, Orange Calcite, Carnelian, Carnelian Small, Celesite, Blue Chalcedony, Pink Chalcedony, Charoite, Chiastolite, Chrysanthemum, Chrysoberyl, Chrysocolla, Green Chrysoprase, Lemon Chrysoprase, Citrine, Blue Coral, Red Coral, Red Bambo Coral, Crinoid Fossil, Dumortierite.